| When the fruit ripen, the plant turns greenish and obtains the ability to photosynthesise. |
| The attraction of algae would seem to lie in the possibility that, since they photosynthesise, they could be engineered to contain the whole sunlight-to-fuel process in one genetically engineered package. |
| The weeds photosynthesise by releasing oxygen into the water during the day and taking it back in at night. |
| As CO2 becomes more available, other things being equal, they will photosynthesise more. |
| Indeed, plankton photosynthesise and even though they only represent less than one percent of the planet's biomass, they absorb almost as much carbon dioxide and produce as much oxygen as all terrestrial vegetation. |
| Carbon is taken out of the atmosphere by trees as they photosynthesise. |
