Which of the following is a food chain?

مندرجہ ذیل میں سے کون سا فوڈ چین ہے؟

Energy cycle

Grazing food chain

Water cycle

None of these

Explanation

A grazing food chain starts with producers (plants, algae) and moves through herbivores (primary consumers) to carnivores (secondary/tertiary consumers).

It is a major pathway for energy flow in ecosystems.