Question

Biological magnification definition class 10

Answer 1

The gradual accumulation of harmful non biodegradable and chemical substances from one trophic level to next trophic level and then throughout The food chain is known as biological magnification.

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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