Which organism comes first in a food chain? fungus hawk plant mouse

Plant

Explanation:

The plants are termed as producers that performs the process known as photosynthesis which allows the organism to convert light energy into chemical energy.

This energy is used by the organism in various metabolic process that takes place in the body.

Producers are generally green plant, some bacteria, algae et cetera. They lie at the base of any food chain or web.

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."

the answer is false?