Question

How biomagnification of ddt affect bird poution clas s12?

Answer 1

Biomagnification refers to increase in concentration of the toxicant at successive trophic levels. ... High concentrations of DDT disturb calcium metabolism in birds, which causes thinning of eggshell and their premature breaking, eventually causing decline in bird populations.

Answer 2

Answer:

Biomagnification of DDT leads to an increase in its concentration at the higher trophic level and its higher concentration in birds leads to the disturbance in their calcium metabolism. This causes the premature breaking of eggs in birds due to thinning of eggshell.