Question

at which level of an energy pyramid would a photosynthetic single - celled organism that lives in the ocean be classified?
(a) primary producer
(b) tertiary consumer
(c) primary consumer
(d) secondary consumer

Explanation:

Photosynthetic organisms can produce their own food through photosynthesis. In an energy pyramid, they are at the base - the primary producers, which form the first trophic level. They convert solar energy into chemical energy that supports other trophic levels.

Answer:

A. primary producer