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Eutrophication & Biomagnification (2025)

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. This lesson also includes a short activity to introduce the concept of eutrophication. At times the...

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