Question

What is biological magnification

Answer 1

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$\huge \bold{ANSWER ;}$ Progressive increase in the concentration of non-biodegradable substances in a
food chain is called biological magnification. The level of these harmful
substances will go on increasing from one trophic level to the next. When certain
harmful substances enter the food chain at the level of primary producers,-they
get concentrated many times at each subsequent trophic level.

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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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