Question

Why does a food chain consist of any three of four steps?

Answer 1

Food chain consists of only 3 or 4 steps as food chain is the chain of animals which haves 3 or 4 types known as:producers,primary consumers,secondary consumers,tertiary consumers.

Answer 2

because the energy available too each trophic level decreases by 10% and thus very less any of energy is available. therefore did chains consist of only 3 or 4 steps