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  • Brainly User
2014-07-23T19:46:03+05:30

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According to the oxford university, bio magnification or bio amplification is a process by which certain chemicals such as mercury or dichloro di phenyl trichloroethane ethane accumulates in the organisms which are present in the higher trophic zones in a food chain or an ecosystem through a series of prey predator activities.
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biomagnification means increasing the background concentration of chemicals like mercury & ddt
2014-07-23T19:50:01+05:30

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There are several non biodegradable pesticides, heavy metals and other chemicals which are not decomposed by micro-organisms.
These chemicals keeps on passing from one Trophic level to another at each successive trophic level their concentration increases.
This phenomenon is known as BIOMAGNIFICATION.
Animals occupying higher trophic levels are at greater risk of biomagnification of toxic chemicals.
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entering of pesticides and more concentration of them inside the human body or the food chain of the human
is called bio-magnification