Why do harmful chemicals concentrate as we go in a food chain
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The substances become increasingly concentrated in tissues or internal organs as they move up the chain. Bioaccumulants are substances that increase in concentration in living organisms as they take in contaminated air, water, or food because the substances are very slowly metabolized or excreted.
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Harmful chemical concentrate in the trophic levels of food by the process of biological concentration or bio-magnification. The Process of entry of a non-biodegradable chemical into a food chain and its getting accumulated at successive trophic levels, reaching the maximum quantity in the top most level is biological magnification.
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