Question

why food chain generally consist 3 or 4 steps

Answer 1

As energy decrease's from lower to higher level's, food chain only consist 3 or 4 level's.

Answer 2

Hey friend,.......... Since so little energy is available for the next level of consumers, and for this reason food chains generally consist of only three or four steps. The loss of energy at each step is so great that very little usable energy remains after four trophic levels.

Hope it helps u