Question

a. Name the phenomenon shown in above food chain and explain it.

b. In the following food chain, if pesticide is sprayed on plants, which of

the following organisms will have the highest concentration of pesticides

and why?

Wheat grains -----Hen -----Human being

c. Why the number of trophic levels in a food chain are limited?​

Answer 1

Explanation:

1 eagle eating fish

2 snake

3 On an average only 10 percent of food available to a tropic level is transferred to next tropic leve.since amount of available energy becomes as we move to higher tropic levels so very little usable energy remains afyer four tropic levels.

that's why food chain has only 3 to 4 tropic levels.

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