Some toxic substances present in industrial w | vedclass

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(A) Biomagnification refers to the increase in concentration of toxic substances at successive trophic levels in a food chain. This occurs because a t

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Biomagnification

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(A) Biomagnification refers to the increase in concentration of toxic substances at successive trophic levels in a food chain. This occurs because a toxic substance accumulated by an organism cannot be metabolized or excreted,and is thus passed on to the next higher trophic level. In aquatic ecosystems,this is commonly observed with substances like mercury and $DDT$,which accumulate in the tissues of organisms and reach high concentrations in top predators.

Some toxic substances present in industrial waste water can undergo $.........$ in the aquatic food chain.

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