Food chains usually do not have more than four trophic levels. Why?

Give reason why a food chain cannot have more than four trophic levels

(a) Explain why, a food chain usually cannot have more than three of four steps. (b) Calculate the amount of energy that will be available to big fish in the following food chain, if 10,000 J of energy is available to small algae from the sun : Small algae to Zooplankton to Fish to Big fish

Why do we not find food chains of more than four trophic levels in nature?

Define a food chain. Design a terrestrial food chain of four trophic levels. If a pollutant enters at the producer level, the organisms of which trophic level will have the maximum concentration of the pollutant in their bodies ? What is this phenomenon called ?

(a) Define trophic level. Draw the food chain with four trophic levels. (b) What will happen if we kill all orgainsms in one trophic level ?

Generally the food chain has how many trophic levels

Which one of the following belongs to more than one trophic levels ?