Question

What does a food web diagram illustrate?

A.
all feeding relationships in an ecosystem

B.
the cycle of carbon through an ecosystem

C.
a single pathway of feeding in an ecosystem

D.
the cycle of water through an ecosystem

Answer 1

It's A.

if you know what a food web is and read B. C, and D.

there clearly wrong

Answer 2

A food web diagram illustrates "A. all feeding relationships in an ecosystem" These diagrams can vary in size, depending on how specific the illustrator wants to be in the description of the food chain.