Question

define biological magnification with an example

Answer 1

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# Biological Magnification :

It is the increase of toxic gases , agressive usage of chemicals , pests , fertilizers , etc. in the organisms of food chain is known as " Biomagnafication " / " Bioamplification ".

# Example :

spraying a marsh to control mosquitoes will cause trace amounts of DDT.

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Answer 2

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Biological Magnification➫ The process by which the harmful & toxic substances the tissues of organisms at higher levels in a food chain.

❱ It is also known as Bioamplification.

❱ It occurs when pollutants taken up by organisms at the base of the food chain reach high concentrations in the bodies of animals at the top of the food chain.

➧ Harmful Effects are:-
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❱ 0rganisms at the top of the food chain are at a greater risk of damage due to biomagnification.

❱ It tend to have a higher risk of developing certain:-

♦ Cancers
♦ Liver failure
♦ Birth defects
♦ Brain damage
♦ heart disease

❱ The toxins responsible for these health problems include:-

♦ Mercury
♦ Lead
♦ Chromium
♦ Cobalt
♦ Cadmium

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