What does a food web diagram illustrate?

Question

the cycle of water through an ecosystem

a single pathway of feeding in an ecosystem

the cycle of carbon through an ecosystem

all feeding relationships in an ecosystem

Answer 1

h ttps://www.google.com/search?client=firefox-b-1-d&q=what+is+a+food+web

Answer 2

all feeding relationships in an ecosystem

Answer 3

Thank you so much. I had D as my answer but I was doubting myself.