Question

‘Length of food chains in an ecosystem is generally limited to three or four trophic levels’.

Justify the statement​

Answer 1

Answer:

length of a food chain in an ecosystem generally limited to 3-4 trophic levels because which energy is transferred for 3-4 trophic levels is enough to do work and after that, the energy is not enough to do work because only 10% of energy is transferred to next level.

Answer 2

Answer:

Answer. In an ecosystem, the number of trophic levels is limited as they cannot be more than 3 to 4 trophic levels. This is because the "amount of energy flow" decreases with the successive trophic level.