Question

What is a food chain?

(a) A long chain made of food

(b) Process of preparing food

(c) Food where locked by chain

(d) Pathway that energy and nutrients flow through the ecosystem

This question was posed to me during an internship interview.

The origin of the question is Food Chains topic in portion Ecosystems of Energy Management

Answer 1

Correct answer is (d) Pathway that energy and nutrients flow through the ecosystem

Easy explanation: Energy living organisms need food to get energy and thus to survive. The food chain describes who eats whom in the wild. Different habitats and ecosystems provide many possible food chains that make up a food web.