Why are rain forests the most diverse ecosystem? 1. They are near bodies of water.
2. They have a favorable climate.
3. They are surrounded by mountains.
4. They have more pollutants than other ecosystems.

b. the carbon cycle ensures living things have a source of hydrogen

the generally accepted parts of modern cell theory include: all known living things are made up of one or more cells. all living cells arise from pre-existing cells by division. the cell is the fundamental unit of structure and function in all living organisms.

the food storage products of chrysophytes are oils or the polysaccharide laminarin.   formerly classified as plants, the chrysophytes contain the photosynthetic pigments chlorophyll a and c all but the yellow-green algae also contain the carotenoid pigment fucoxanthin.