Which of the following organisms lives near the surface of aquatic biomes because it needs sunlight to survive?
a. phytoplankton
b. zooplankton
c. sturgeon
d. manatee

Phytoplankton.

Explanation:

Phytoplanktons are the small, microscopic organisms that lives near the surface of the aquatic biomes. Phytoplanktons are the algae that plays the similar role of terrestrial plants.

The phytoplanktons needs sunlight for their survival. Phytoplanktons also require the nutrients like sulfur and phosphorus that are used by them to produce carbohydrates and proteins.

Thus, the correct answer is option (a).

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