IB ESS SL Practice Questions - IB Diploma Environmental Systems And Societies Standard Level Exam

Which is an example of negative feedback in a natural environmental system?

Predator population rises, reducing prey, which then reduces predator numbers Melting permafrost releases methane, causing further warming and more melting Forest loss reduces evapotranspiration, lowering rainfall and accelerating forest loss Coral bleaching kills algae, reducing the reef's ability to recover and bleaching more coral

Correct Answer:

Predator population rises, reducing prey, which then reduces predator numbers

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