IB Biology: Biomagnification

Biomagnification is the process where pollutants become concentrated in the tissues of organisms at higher trophic levels. In this activity students analyse and explain some simple data from a food chain including ring-billed gulls and discuss the trade-off between control of the malarial parasite and DDT pollution.At times the fishing of certain carniverous fish is banned because of dangers to human health. Fish like...

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