which evolved from simple single-celled organisms. It discusses their size variations, locomotion methods, feeding behaviors, and reproductive processes. The film illustrates experiments ...

During the light, provided the rate of photosynthesis is sufficiently high, plants, give out oxygen. The overall reaction for photosynthesis as given above is a simplification. Photosynthesis ...

Photosynthesis is a marvelous process: plants use it to produce sugar molecules and oxygen from the simple starting materials carbon dioxide and water. They draw the energy they need for this ...