Paper 1 · People, Development and Environment
What is the name of the substance whose accumulation in the pelicans of Lake Michigan led to the formation of thin shells of their eggs?
ACFC
BPAN
CDDT ✓ Correct
DPAC
Correct answer: (C) DDT — The substance is DDT, so that is the answer.
Explanation
★The substance is DDT, so that is the answer.
★DDT is a pesticide that builds up in animals through the food chain.
★In the pelicans of Lake Michigan, DDT collected in their bodies.
★This caused their eggshells to become thin.
★So the substance responsible is DDT.
★So the answer is DDT.
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