Question

what is ....

a)EUTROPHICATION..

b) BIOMAGNIFICATION..

Answer 1

when there is excess of nutrition in the water then small plants grow on water this is known as eutrophication do small plants absorb all nutrients and disturb the balance of nutrition in water bodies
when there is excess use of fertilizers and pesticides in the fields and it is carried from one trophic level to another by the food sent it is known as a biomagnification this can cause many diseases to the organisms involved in that food chain

Answer 2

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a) $\bold{\boxed{Eutrophication}}$:- The process of depletion of oxygen from water bodies occurring either naturally or due to human activities.



◻️ This process of eutrophication tales place due to introduction of nutrients and chemicals through discharge of domestic sewage .




b) $\bf{\boxed{Biomagnification}}$:- The term biomagnification means increasing concentration of various toxic substances along the food chains.




◻️ It occurs due to toxic effluents from industries are released into water and soil.

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