Write two or three sentences describing how the process in part (a) supports all the trophic levels in this ecosystem.

Mainly there are four different types of Trophic levels in an ecosystem.

Explanation:

Trophic level: In biology, the term "trophic level" is described as a specific group of different organisms within a particular "ecosystem" that tends to occupy a similar level of a "food chain".

There are four distinct types or levels of trophic levels in a specific ecosystem:

1. Algae and plants produce their food by their own and are referred to as "producers".

2. Herbivores generally eat plants and are referred to as "primary consumers".

3. Carnivores that tends to eat herbivores are referred to as "secondary consumers".

4. Carnivores that tend to eat other carnivores are referred to as "tertiary consumers".

b c a d mark me

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