A biome is a biotic area with homogeneous features, characterized by distinctive plants, animal species and climate. |
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A very beautiful serotinal saffron species from Crocus genus which is almost endemic to Romania. |
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There is just so much to know about cellular respiration, which is vital to the survival of many living species. |
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Claus is an artist, though he does not like to call himself one, and a scholar. As such, he personifies the polyhistor, a species rarely found today. |
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A narrow but productive continental shelf contains several demersal fish and crustacean species. |
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These islands are mostly uninhabited and protected as nature reserves, and are home to some unique wild flower species. |
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The interior was desert, and new species such as Scutosaurus and Gorgonopsids filled it. |
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In Europe, only the common viper is frequent, though in other regions moorlands are commonly home to dozens of reptile species. |
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These are good examples in Cumbria for this type of gill and are also biologically important due to their species richness. |
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The barbastelle, as a vulnerable species on the Red List, is in greater danger still. |
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The Exmoor Coastal Heaths have been recognised as a Site of Special Scientific Interest due to the diversity of plant species present. |
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The moorland habitat is also home to hundreds of species of birds and insects. |
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One of the chief failings of this species is the susceptibility of the leaves to the attack of the leaf-hopper. |
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They traced the ancient lineages of two species to reveal the insects' lengthy history of asexual reproduction. |
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Most of his material, which includes a variety of leptosporangiate species, was obtained from greenhouses. |
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As a Unitarian, she welcomed the radical implications of transmutation of species, promoted by Grant and younger surgeons influenced by Geoffroy. |
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Darwin had not labelled the finches by island, but from the notes of others on the Beagle, including FitzRoy, he allocated species to islands. |
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The two rheas were also distinct species, and on 14 March Darwin announced how their distribution changed going southwards. |
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By the start of 1856, Darwin was investigating whether eggs and seeds could survive travel across seawater to spread species across oceans. |
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These two families are so close that some species in either one may or may not lichenize symbiotic algae. |
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I saw six species of honeyeaters new to me and went home with 16 lifers and some bad sandfly bites. |
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Various species require different levels of testing to ensure a compatible match. |
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More than 99 percent of all species that ever lived on Earth are estimated to be extinct. |
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Other naturalists of this time speculated on the evolutionary change of species over time according to natural laws. |
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In particular, Georges Cuvier insisted that species were unrelated and fixed, their similarities reflecting divine design for functional needs. |
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The first cost is that in sexually dimorphic species only one of the two sexes can bear young. |
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Gene flow is the exchange of genes between populations and between species. |
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It can therefore be a source of variation that is new to a population or to a species. |
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Gene transfer between species includes the formation of hybrid organisms and horizontal gene transfer. |
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Natural selection can act at different levels of organisation, such as genes, cells, individual organisms, groups of organisms and species. |
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Thus, exchange of genetic information between individuals is fundamentally important for the development of the biological species concept. |
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However, in macroevolution, the traits of the entire species may be important. |
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These changes in the second species then, in turn, cause new adaptations in the first species. |
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Speciation is the process where a species diverges into two or more descendant species. |
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In this case, closely related species may regularly interbreed, but hybrids will be selected against and the species will remain distinct. |
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Finally, in sympatric speciation species diverge without geographic isolation or changes in habitat. |
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One type of sympatric speciation involves crossbreeding of two related species to produce a new hybrid species. |
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This is because during meiosis the homologous chromosomes from each parent are from different species and cannot successfully pair. |
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Extinction is not an unusual event, as species regularly appear through speciation and disappear through extinction. |
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Nearly all animal and plant species that have lived on Earth are now extinct, and extinction appears to be the ultimate fate of all species. |
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More than 99 percent of all species, amounting to over five billion species, that ever lived on Earth are estimated to be extinct. |
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Current species are a stage in the process of evolution, with their diversity the product of a long series of speciation and extinction events. |
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By comparing the anatomies of both modern and extinct species, paleontologists can infer the lineages of those species. |
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Insects were particularly successful and even today make up the majority of animal species. |
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With the exception of birds, for almost all of the animal species studied, males have higher mortality than females. |
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Various species of plants and animals, including humans, have different lifespans. |
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Around 668 bird species are found there, including crows, sparrows, mynas, hawks, falcons, and eagles. |
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That checklist includes more than 11250 species of fungi recorded from the region. |
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The Martinique amazon, Amazona martinicana, is an extinct species of parrot in the family Psittacidae. |
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The stream-dwelling species are among the most lotic of anisopterous dragonflies. |
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Smaller species of lutjanids require fewer resources per individual and can form schools year-round. |
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The results showed that a short arm of a bi-armed macrochromosome pair was painted with GGA3 and a long arm with GGA5 and GGA7 in most species. |
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Rabbit is the most represented species at every archeological level, although some macromammal remains have also been documented. |
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The Komodo dragon is the largest living species of lizard and inhabits the islands of Komodo, Rinca, Flores, and Gili Motang in Indonesia. |
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Even so, such species as the Javan rhinoceros face extinction, with only a handful of the animals remaining in western Java. |
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The small woolly females of this maleless species give rise to more females that feed by inserting their tubular mouthparts into the bark. |
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Moss can be a problem if very thick, but is not usually detrimental, and many species of moss are actually protective. |
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In New Zealand, snapper or gurnard was originally the preferred species for battered fillets in the North Island. |
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Many species of mushrooms seemingly appear overnight, growing or expanding rapidly. |
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Although there are only a small number of deadly species, several others can cause particularly severe and unpleasant symptoms. |
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Maras have a white patch of fur on the rump that they flash when running, an adaptation they share with several species of deer and antelopes. |
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Their subject matter includes representations of animals including bison and, arguably, several different bird species. |
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The massaranduba is not the only species known as palo de vaca, or cow-tree. There are many others so called, whose sap is of a milky nature. |
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The Massasauga is emphatically a species of the prairies and their swamps and marshes. |
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Thirdly, Mill's position, by calling mathematics merely another species of inductive inference, misapprehends mathematics. |
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These include street names, mountains, companies, species of animals and plants as well as other notable objects. |
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In 1999, entomologist Lauri Kaila described 48 new species of Elachista moths and named 37 of them after Tolkien mythology. |
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At Lyme Regis, for example, geologists have identified 71 layers of rock, each one containing fossils of a different species of ammonite. |
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Native animal populations have been very badly affected, with the extinction of at least 10 species attributed to the spread of foxes. |
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In some areas, coyote are considered fair game when hunting with foxhounds, even if they are not the intended species being hunted. |
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The second greatest center of oak diversity is China, which contains approximately 100 species. |
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Many deciduous species are marcescent, not dropping dead leaves until spring. |
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Recent systematic studies appear to confirm a high tendency of Quercus species to hybridize because of a combination of factors. |
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White oaks are unable to discriminate against pollination by other species in the same section. |
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This species grows in the Mediterranean Sea region, with Portugal, Spain, Algeria, and Morocco producing most of the world's supply. |
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The European pied flycatcher is an example of an animal species that often depends upon oak trees. |
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Many species of oaks are under threat of extinction in the wild, largely due to land use changes, livestock grazing and unsustainable harvesting. |
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In a recent survey, 78 wild oak species have been identified as being in danger of extinction, from a global total of over 500 species. |
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The true number of species of fungi in South Sudan is probably much higher. |
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The associated species of pine forest may cross frontiers and become new elements of the oak forests. |
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Scientist suggest that shedding excess numbers allows the oaks to satiate nut gathering species, improving the chances of germination. |
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Linnaeus described only five species of oak from eastern North America, based on general leaf form. |
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All three species became terminally constipated from ingesting this man-made microlitter. |
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The list, of 383 species in 175 genera, included all fungi observed within the then boundaries of the country. |
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Approximately 400 bird species inhabit Denmark and about 160 of those breed in the country. |
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Only a few species of wild land mammals are found in the Faroe Islands today, all introduced by humans. |
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Microrefugia are sites that support populations of species when their ranges contract during unfavorable climate episodes. |
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However, the mesoscutum in the new species is entirely microtrichose but with three lustrous stripes below lines of setae in Rhamphomyia sp. |
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There are at least 180 endemic plant species in the overseas territories as opposed to only 12 on the UK mainland. |
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Notable marine species include the ormer, conger, bass, undulate ray, grey mullet, ballan wrasse and garfish. |
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Japanese Knotweed Fallopia japonica is an invasive species that threatens Jersey's biodiversity. |
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The United States is home to 428 mammal species, 784 bird species, 311 reptile species, and 295 amphibian species. |
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The Berlin Zoo, opened in 1844, is the oldest zoo in Germany, and presents the most comprehensive collection of species in the world. |
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Many Indian species descend from taxa originating in Gondwana, from which the Indian plate separated more than 105 million years before present. |
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Peninsular India's subsequent movement towards and collision with the Laurasian landmass set off a mass exchange of species. |
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In a paper published by the Linnean Society of London, Hill catalogued over 400 species of plants and animals. |
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This included 20 new species of insects, six of plants, and a new species of legless lizard. |
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Owen recognised that the remains of the three new species that had been found so far shared a number of distinctive features. |
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However, these islands provide breeding grounds for many important seabird species including the world's largest colony of northern gannets. |
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Over 200 species of flowering plants have been recorded on the reserve, some of which are nationally scarce. |
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There is a diversity of wildlife, including three species of tree endemic to the area. |
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If rarity is measured by numbers alone they are amongst the most endangered tree species in the world. |
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Over 200 species of bird have been recorded on Arran including black guillemot, eider, peregrine falcon and the golden eagle. |
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Offshore there are harbour porpoises, basking sharks and various species of dolphin. |
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The uplands support black and red grouse, mountain hares, raptors such as golden eagles and hen harriers, and some unusual plant species. |
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Only 165 of the island's current 1,000 vascular plant species are considered native. |
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Coconut palms are found on Bermuda, making it the northernmost location for the natural growth of this species. |
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Many bird species, including seven species of penguin breed in the British Antarctic Territories. |
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The mammalian species in the islands include the introduced Central American agouti and eight species of bats. |
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At least three now extinct native rodent species were present up until the discovery of the islands by Europeans. |
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They are home to large bird populations, although many no longer breed on the main islands because of competition from introduced species. |
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The Falklands are also home to five different penguin species and a few of the largest albatross colonies on the planet. |
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Introduced species include reindeer, hares, rabbits, Patagonian foxes, brown rats and cats. |
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This species, known scientifically as Macaca sylvanus, is listed as endangered by the IUCN Red List and is declining. |
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Montserrat, like many isolated islands, is home to rare, endemic plant and animal species. |
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Until 2006, this species was known only from one book about the vegetation of Montserrat. |
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These caves house many species of bats, and efforts are underway to monitor and protect the ten species of bats from extinction. |
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A species of tarantula simply called the Montserrat Tarantula is native to the island. |
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The plant species Glochidion pitcairnense is endemic to Pitcairn and Henderson Islands. |
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There are also about 125 species of moss, 85 of liverworts and 150 lichens, as well as about 50 species of macrofungi. |
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Males of monestrous species also exhibit a cycle, being sexually active only during the females' estrus. |
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No species of plants, birds, amphibians, reptiles, molluscs, crustaceans, or mammals are endemic on Diego Garcia or in the surrounding waters. |
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All plants, wildlife, and aquatic species are protected to one degree or another. |
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In 1997, the United States Navy contracted a vegetation survey that identified about 280 species of terrestrial vascular plants on Diego Garcia. |
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The remainder of the species list consists of cultivated food or ornamental species, grown in restricted environments such as a planter's pot. |
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The total bird list for the Chagos Archipelago, including Diego Garcia, consists of 91 species, with large breeding populations of 16 species. |
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Diego Garcia's seabird community includes thriving populations of species which are rapidly declining in other parts of the Indian Ocean. |
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Furthermore, the use of R. irregularis in monoxenic cultures, often twinned with a model plant species, has dominated investigations. |
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Moonrats are a lowland forest species which feed primarily on worms and arthropods. |
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In Germany, support for extensive farming and biotope management helps maintain habitat for rare species such as orchids and butterflies. |
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Competition may be within or between species, and may be direct or indirect. |
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However, in some species, mate choice is primarily by males, as in some fishes of the family Syngnathidae. |
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Penicillin is a secondary metabolite of certain species of Penicillium and is produced when growth of the fungus is inhibited by stress. |
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In all species it is composed of two helical chains, bound to each other by hydrogen bonds. |
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In many species, only a small fraction of the total sequence of the genome encodes protein. |
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Kuwaiti islands are important breeding areas for four species of tern and the socotra cormorant. |
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Extracellular DNA acts as a functional extracellular matrix component in the biofilms of several bacterial species. |
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If DNA sequences within a species are compared, population geneticists can learn the history of particular populations. |
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These changes have a significant impact on the growing, breeding and migration seasons, as well as species abundance and diversity. |
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However, it is customary to use the term race rather than subspecies for the major subdivisions of the human species as well as for minor ones. |
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However, others have noticed that group variation was relatively similar to the variation observed in other mammalian species. |
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The continued sharing of genetic materials has maintained all of humankind as a single species. |
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The islands also provide a habitat for other important species such as corncrake, hen harrier, golden eagle and otter. |
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The most popular species of whale found in Cape Breton's waters is the Pilot whale. |
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The introduced are several species of trout, common carp and various species that originated in more northerly parts of South American. |
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It is not known why some butterfly species mudpuddle, but it is well known that they do. |
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The two species of whale from which muktuk is most often sliced are the bowhead and the beluga, or white whale. |
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The land connection between the two persisted for a considerable time, via Greenland, leading to interchange of animal species. |
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The most important species in central and western Europe are beech and oak. |
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As for the animals, in many parts of Europe most large animals and top predator species have been hunted to extinction. |
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In certain respects the natural responses of the species are denied to him. |
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The mesenteric lymph nodes in this mustelline species are several, and not amalgamated into a single large mass as seen in some carnivores. |
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This is based on the assumption of the conservation of the basic functions in both species, such as the building of the mycomembrane. |
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Similarly the speciesist allows the interests of his own species to override the greater interests of members of other species. |
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These coastal reefs are also visited by pelagic species of Red Sea fish, including some of the 44 species of shark. |
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More than 363 species of birds were recorded in Kuwait, 18 species of which breed in the country. |
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Forty reptile species have been recorded although none are endemic to Kuwait. |
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I suggest that several species of nauplioids hybridized with representatives of several groups of arthropods to give them nauplius larvae. |
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Wildlife smuggling results from the demand for exotic species and the lucrative nature of the trade. |
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This, in effect creates a unique environment in which certain species are found. |
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For instance, the Turkana people of northwest Kenya use fire to prevent the invasion of the savanna by woody plant species. |
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Among threatened species of the region, there are several antelopes such as the beira, the dibatag, the silver dikdik and the Speke's gazelle. |
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There are about 100 species of freshwater fish in the Horn of Africa, about 10 of which are endemic. |
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It is estimated that about 5,000 species of vascular plants are found in the Horn, about half of which are endemic. |
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The Ethiopian wolf is perhaps the most researched of all the endangered species within Ethiopia. |
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To date more than 856 bird species have been recorded in Ethiopia, twenty of which are endemic to the country. |
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Human impact threatens many species, with greater threats expected as a result of climate change induced by greenhouse gases. |
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Ethiopia has a large number of species listed as critically endangered, endangered, and vulnerable to global extinction. |
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Somalia's territorial waters are prime fishing grounds for highly migratory marine species, such as tuna. |
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The male of this species assists the female in feeding the young. |
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Several new species of plants have recently been discovered. |
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There is a decrease in faunal species from the Belts to the Gulf of Bothnia. |
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The lack of tides has affected the marine species as compared with the Atlantic. |
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The other species of recognizance, with sureties, is tor the good abearance or good behaviour. |
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Caviids are grassland-scrubland species, while abrocomids are small herbivores of xeric Andean habitats. |
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The Andean families are not subject to the same climatological forces affecting species in the lowland tropics. |
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Abstraction is necessary for the classification of things into genera and species. |
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The latter species was collected only once in this survey on A. flavescens but is widespread on both tropical and temperate acacias in Australia. |
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Going limp and lying still works well for many animals, but a few species deserve Academy Awards for their death-feigning skills. |
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The ovary is more adnate to the calyx than in any other species of the genus. |
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Haikouichthys is one of three species of jawless fish to be found in the Early Cambrian period. |
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Since different individuals of the same species may have different allotypes, these determinants can be used as genetic markers. |
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Being a beta male in a species with alphas doesn't mean you have to sit out the mating game. |
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The two species from the sole anchistioidid genus formed a strong clade in all analyses. |
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Assemblages in mainland habitats that consist of species in different families and other higher order clades are much more complex. |
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Firstly, I continue to base most species treatments on personally collected material, rather than on herbarium plants. |
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The Oilbird is one of the few bird species to use batlike echolocation to help navigate the night and cave darkness. |
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Through genetic manipulation and harsh training, I am breeding a species of super-dogs to take over the world. |
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So the spermatogonia of an endangered species could be kept preserved and used to produce male and female broodstock to help rebuild populations. |
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Other species are recognized pests, and various buprestids attack either living or dead trees. |
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The park is one of the chief refuges in Australia for several species, among them the magpie goose, green pygmy-goose and Burdekin duck. |
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The park is one of Australia's chief refuges for several bird species, including the Burdekin duck and magpie goose. |
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In addition to burlesque plays, operas and burlettas, the Italians invented two other species. of drama, pastoral and rustic plays. |
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Put a business executive up for senator as a Democrat, and you've got a Businesscrat. Maybe also an endangered species. |
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Catoptromancy was a species of divination performed by the aid of a mirror. This..was common among the Achaians. |
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If a particular whale species isn't endangered, then there's not a blind bit of difference between butchering them or cattle. |
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In this case, different cerebrotypes may in fact exist within a species at different phases of the life cycle. |
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The poached blubber was definitely cetacean in origin, but the particular species could not be identified. |
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Chimeric embryos are made by injecting cells or genetic material from one species into the embryo of another. |
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There are also two species of chinchilla rat, agile rock climbers that ascend bushes when feeding. |
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Some of these cimices are extremely pretty, but if handled emit their disagreeable perfume. I have met with about a dozen species of these bugs. |
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Instead of being foreclosed and immovable, it is, in fact, the only species of landed property that is essentially moving and circulative. |
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These species form a clade within Acrocirridae and were not closely related to either of the two known pelagic cirratuliforms. |
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These species largely inhabit whitewater and clearwater rivers within the Amazon Basin, with rare reports in tannic blackwater rivers. |
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This curious species of non-publication provoked numerous programmers to post directions on Slashdot for circumventing the clickwrap. |
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Eight species of the African climbing gourami genera Ctenopoma and Microctenopoma were karyologically studied using the air-dried method. |
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Also the recent warming is reflected in changed distributions, especially for mobile species at their coldward altitudinal or latitudinal edges. |
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It is a plentiful species in mountainous countries, but is rather condimental than nutritive. |
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The English sparrow, another abundant city species, also loves streetlights and lampposts, especially those with crosspipes open at the ends. |
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I do not approve of this wholesale going to work, this impertinent crusado, or bellum ad exterminationem, proclaimed against a species. |
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From the second sampling campaign, two cumacean species collected at Isla D and polychaetes were added to the dataset. |
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Only the soleids, bothids and some species of cynoglossids constitute fishery resources of commercial importance in the area. |
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In all dealings between natives there is invariably a species of extortion, a sort of dustoory, which is given in all money transactions. |
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Datura did grow in Haiti, three species, all of them introduced from the Old World. |
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There is a deal of obscurity concerning the identity of the species thus multitudinously baptized. |
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Worldwide, foliage deciduousness in angiosperms is believed to have arisen in tropical species as a response to periodic drought. |
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Unlike the Russian desman, the Pyrenean species lives along fast-flowing mountain streams. |
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Mendel's discoveries showed how the evolution of a species may be doctored. |
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Be particularly careful applying within the drip line of trees and other ornamental species. |
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An exogenous supply of glucose has been shown to support ectomycorrhizal infection in a range of species. |
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Near Maldonado I saw estuary shells of recent species embedded in clay, and raised above the level of a neighbouring fresh-water lake. |
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Neither data set provided evidence for an increased encephalisation index compared to other wrasse species. |
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The federal government has added five new birds to the endangered species list. |
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The last known survivor, the endling of its species, is now stuffed and mounted in a museum in the remote, dusty city of Nukus. |
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This account fails to provide any basis for doubting that animals of subhuman species enjoy the freedom it defines. |
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The seasonal succession of algal species in the epipelon of shallow, mesotrophic pond Bezednik with special attention to diatoms is described. |
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A number of algal species live epizootically on the branchiopod crustaceans found in temporary ponds. |
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McNab thought that an area of very small erminea in the southwest of the species range was a result of the absence of the smaller nivalis. |
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The peculiar sulphur-like yellow color is noticeable in all species of the erminea, also the pencil-like formation on tip of tail. |
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Even among migratory species, only a few crossed the thermocline and reached the bottom layer. |
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Evolutionary traps can threaten populations and species if they result in widespread reductions in survival and reproduction. |
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There are several species of the Fireback pheasant, the most common of which is the Siamese, which inhabits parts of Siam. |
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Sheep and goats often co-graze with other animals, such as cows or horses. This grouping of species is sometimes called a flerd. |
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Lucuma salicifolia and Micropholis mexicana are the most infested fruit species. They have a very short fructification period. |
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Although the vampire bat is known for feeding on blood, most species of bat eat insects, and many are frugivorous. |
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It is all-important to remember that naturalists have no golden rule by which to distinguish species and varieties. |
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The papaw pumpkin belongs to a different species and is classed as a gramma. |
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Several species of green lacewings are native to this region, all general predators that feed on a wide variety of insect pests. |
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In other words, some species of human ancestor... not only had a hankering for meat, which scientists had not expected, but used tools to get it. |
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On the high mountain tops, species including ptarmigan, mountain hare and stoat can be seen in their white colour phase during winter months. |
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The flora of the country is varied incorporating both deciduous and coniferous woodland and moorland and tundra species. |
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In total, more than 200 different species of bird have been seen at the RSPB reserve at Conwy, including seasonal visitors. |
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Today, mammals of note include shrews, voles, badgers, otters, hedgehogs and fifteen species of bat. |
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In the estuaries, where the bed is more sandy or muddy, the number of species is smaller but the size of their populations is larger. |
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Most are microscopic, but some, such as the various species of jellyfish and sea gooseberry, can be much bigger. |
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This species travels north to the waters off the British Isles every year following the swarms of jellyfish that form its prey. |
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About a dozen species have been recorded since 1980, but only three are seen fairly often. |
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These tiny organisms are crucial elements of the food chain supporting many species of fish. |
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Plant species in the North Sea include species of wrack, among them bladder wrack, knotted wrack, and serrated wrack. |
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Algae, macroalgal, and kelp, such as oarweed and laminaria hyperboria, and species of maerl are found as well. |
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However, some species, such as the brown rat, red fox, and introduced grey squirrel, are well adapted to urban areas. |
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Various species of seal, whale and dolphin are found on or around British shores and coastlines. |
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There is a wealth of birdlife, 583 species in total, of which 258 breed on the island or remain during winter. |
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The flora comprises 3,354 vascular plant species, of which 2,297 are native and 1,057 have been introduced. |
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The island has a wide variety of trees, including native species of birch, beech, ash, hawthorn, elm, oak, yew, pine, cherry and apple. |
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Recovery plans for cod, sole, and plaice have reduced mortality in these species. |
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Round sardinella was an important species in the 1990s but is now considered overfished. |
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Horse mackerel and hake are the most important species, together representing almost half of the landings. |
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Another important species was the Brazilian sardinella, with a production of 100,000 tonnes in 2013 it is now considered overfished. |
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Endangered marine species include the manatee, seals, sea lions, turtles, and whales. |
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And of wild flowers, there are the helichryse, and that species of anemone called the meadow anemone, and the gladiolus, and the hyacinth. |
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On 7 June 2006, Florida's wildlife commission voted to take the manatee off the state's endangered species list. |
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The Lake District is home to a range of bird species, and the RSPB maintain a reserve in Haweswater. |
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Other bird species resident to the Lake District include the buzzard, dipper, peregrine and raven. |
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Some fish that do thrive there are particularly at risk from introduction of new species. |
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In some cases, the introduced species can disturb the environment so much that it becomes unsuitable for particular fish. |
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The flora found there can be found in other areas of moorland in Northern Europe and some species are also found in areas of tundra. |
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Fauna in the Pennines is similar to the rest of England and Wales, but the area hosts some specialised species. |
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Deer are found throughout the Pennines and some species of animals that are rare elsewhere in England can be found here. |
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They indicate that 2000 species of flowering plant have been found growing there and that the tidal Thames supports 120 species of fish. |
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Several hippoboscid flies have been identified as vectors of Haemoproteus species,haemosporidian blood parasites that cause bird malarias. |
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Among the 290 bird species identified on the Farne Islands, is the rare seabird the roseate tern. |
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The holotype of this species is subglobular in shape and ammoniticonic in its mode of growth. |
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The sea ice also harbours several species of algae that live in the bottom and inside unfrozen brine pockets in the ice. |
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At the northern part of the Gulf of Bothnia the water is no longer salty and many fresh water species live in the sea. |
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These two factors limit many species of animals and plants to a relatively narrow region of the Baltic Sea. |
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One small species, which is known to them by its melancholy nocturnal hootings is particularly ominous. |
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There are 55 mammal species in Ireland and of them only 26 land mammal species are considered native to Ireland. |
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Aquatic wildlife, such as species of sea turtle, shark, seal, whale, and dolphin, are common off the coast. |
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A land of green fields for crop cultivation and cattle rearing limits the space available for the establishment of native wild species. |
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In 1994 and 1995, 80 fossils of six individuals who may have belonged to the species were found in Atapuerca, Spain. |
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Other significant features demonstrated by the species are a protruding occipital bun, a low forehead, and a lack of a strong chin. |
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Depending on the species or race of mammoth, the diet differed somewhat depending on location, although all mammoths ate similar things. |
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The available habitat would have been reduced for some megafaunal species, such as the mammoth. |
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Of the six extinct species, five went extinct in the Quaternary extinction event. |
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The American Plains bison is no longer listed as endangered, but this does not mean the species is secure. |
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During that period, a handful of ranchers gathered remnants of the existing herds to save the species from extinction. |
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National Bison Association has adopted a code of ethics that prohibits its members from deliberately crossbreeding bison with any other species. |
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The American bison is, therefore, no longer considered an endangered species. |
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Many species of Pleistocene megafauna, like the woolly rhinoceros, became extinct around the same time period. |
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All modern camels are humpbacked creatures, but the number of humps depends on the species. |
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The differentiation of several species mainly relies on differences in the shape of the hymenial algae. |
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More recently, Ehrhardt drew attention to ichthyotoxins as a whole. Among fish alone there are more than 500 species that are dangerous to man. |
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All species may be considered as more or less specialized entomophagous or ichthyphagous predators. |
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The wildlife management plan was focused on helping the reproductive needs of imperiled species. |
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Queens of socially parasitic inquiline ants reproduce by laying eggs in the colonies of other species. |
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The insects that attack inshell peanuts consist of several species of beetles and of moths. |
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A species varies occasionally in two directions, but owing to their free intercrossing they never increase. |
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Walleye, brook trout, Roanoke bass, and blue catfish are among the 210 known species of freshwater fish. |
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Some species of ithonids have been observed swarming in vast numbers for short periods of time. |
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