Question

what is meant by bio magnification or biological magnification and tropic levels.
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Answer 1

the process in which non - biodegradable substances accumulated in larger and larger concentration in a food chain is called biological magnification. the various steps in a food chain in which food is transferred are called trophic level

Answer 2

Biological magnification refers to the the process of increase in the concentration of toxic chemicals with increasing trophic level in a food chain.Harmful or poisonous substance such as DDT sprinkled to kill pests on planta enter the food chain.
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