Question

A marine biologist is studying Prochlorococcus, a cyanobacteria that conducts photosynthesis to manufacture its own food. In what ocean zone is the biologist likely to find most of these organisms?

A.
sunlight

B.
twilight

C.
midnight

D.
deep

Answer 1

The answer is A.

Step-by-step explanation:

A marine biologist is likely to find most Prochlorococcus organisms in the sunlight zone of the ocean, which is also called the euphotic zone. This zone is characterized by abundant sunlight, which is necessary for photosynthesis to occur.