1(ix)
Industrial melanism is the phenomenon by which the peppered moth:
- (a)Die due to industrial growth.
- (b)In polluted areas, became darker in colour for better camouflage.
- (c)Became lighter in colour due to natural selection.
- (d)Became resistant to industrial pollution.
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In polluted areas, became darker in colour for better camouflage.
Reason — Industrial melanism means moths in polluted areas became darker to blend in better and avoid predators.