3. To protect the food plants from insects, an insecticide was sprayed in small amounts but it was detected in high concentration in human beings. How did it happen?
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This is called Biomagnefication.When some small amounts of non degradable chemicals enter into a food chain then they get accumulated and get concentrated in large amounts at higher tropic levels.Since humans are the last tropic level i.e they eat plants , these chemicals get accumulated in large amounts in their bodies.hope it helped you
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Answer:
this happen due to biological magnifaction.
Explanation:
as humans are considered to be at last in food chain. according to biological magnifaction the content of harmful chemical increased with the increase in the trophic level.
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