Question

A food chain is

a. All the biotic interactions
b. All the feeding relationships in the ecosystem
c. The link between abiotic and biotic factors
D. The single sequence of organisms feeding


TWO examples of abiotic factors needed in an ecosystem are
a. Air and water
b. Food and air
c. Air and plants
d. Food and water

Answer 1

A food chain is B= all the feeding relationships in the ecosystem.

Step-by-step explanation:

Two examples of abiotic factors needed in an ecosystem are A= air and water