Environmentalmedium · Past Paper
The increase in the concentration of toxic substances in the tissues of organisms at higher levels in a food chain is called:
AEutrophication
BPhotosynthesis
CBiomagnification
DDecomposition
✓ Correct Answer: C — Biomagnification
Biomagnification refers to the progressive increase in the concentration of persistent toxins like DDT or mercury as they move up the food chain.
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