Question

Discuss two reasons why photosynthetic protists would be considered amongst the biosphere’s most important organisms.

Answer 1

Answer:

Because photosynthetic protists constitute the base of aquatic food webs, many aquatic organisms depend on them for food, either directly or indirectly. (In addition, a substantial percentage of the oxygen produced by photosynthesis is made by photosynthetic protists.)

Answer 2

Explanation:

Photosynthesis is considered the most important process in biosphere due to following reasons: It is the primary source of food on earth. It is also responsible for the release of oxygen into the atmosphere by green plants which is needed by mostly all life forms.