Question

whyy food chain generally consist of only three to four steps or trophic level​

Answer 1

Answer:

As we know for to the 10 percent law only 10%of the energy reaches one trophic level to the next. Thus by the third or fourth level there is hardly any energy to be passed on to the next level.Tgus the food chain ends there.

Hope this helps!

Answer 2

Ello...✌✌

The loss of energy at each food step is so large that very little usable energy remains after four trophic levels. Hence, food chains generally consist of only three or four steps.