| Due to Israel's diverse ecosystem and terrain, each outing was more exciting than the last. |
| Tourists also damage the fragile ecosystem by dumping plastic waste and driving over the grasslands. |
| In biology, students were asked to examine their connectedness to the ecosystem through the world food market. |
| Nothing like this vast, circumpolar ecosystem occurs in the Southern Hemisphere. |
| It stands as a living entity in an ecosystem dependent on a participatory reciprocity. |
| The reason for this is that the rich soil as well as the rest of the ecosystem has evolved a fairly balanced symbiosis. |
