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

The correct answer is a. phytoplankton.

Phytoplankton is derived from Greek words "phyto" meaning "plant" and "plankton" meaning "made to drift or wander". Hence, these are plant like microscopic organisms that live in large water bodies.

Like plants, they also contain chlorophyll which enable them to capture sunlight and perform photosynthesis.

In contrast, zooplankton (zoo meaning animal like and plankton meaning made to wander) are heterotrophic in nature which consume phytoplankton and other smaller zooplankton.

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the relative standard reduction potential of the half-cell in which reduction occurs; more positive than the other half-cell. reduction is a chemical process in which electrons are added to an atom or an ion; it always occurs accompanied by oxidation of the reducing agent.