A) concentration of insecticide in animals
B) concentration of organ ophosphate in plants
C) photography in laboratory
D) increase in number of animals and plants in ecosystem
Correct Answer: A
Solution :
Biological magnification related to the concentration of insecticides in animals. It is defined as increase in the concentration of a persistent chemical by the organisms at successive trophic level in a food chain. The best example of bio magnification is Minimata disease of Japan.
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