Question:
The industrial melanism phenomenon demonstrates __________
The industrial melanism phenomenon demonstrates __________
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Dark peppered moths survived better on sooty trees, so their numbers increased.
Updated On: Nov 12, 2026
- Isolation
- Genetic drift
- natural selection
- migration
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Verified By Collegedunia
The Correct Option is C
Solution and Explanation
Step 1: Understanding the Concept
In industrial England, soot killed lichens and darkened tree bark.
Step 2: What happened to the moths
Light peppered moths (Biston betularia) were easily seen and eaten by birds. Dark (melanic) moths were camouflaged, survived and bred more.
Step 3: Interpretation
The environment favoured one variant, so its proportion rose. This is natural selection.
Final Answer:
Industrial melanism demonstrates natural selection. \[ \boxed{\text{(C) }\text{natural selection}} \]
In industrial England, soot killed lichens and darkened tree bark.
Step 2: What happened to the moths
Light peppered moths (Biston betularia) were easily seen and eaten by birds. Dark (melanic) moths were camouflaged, survived and bred more.
Step 3: Interpretation
The environment favoured one variant, so its proportion rose. This is natural selection.
Final Answer:
Industrial melanism demonstrates natural selection. \[ \boxed{\text{(C) }\text{natural selection}} \]
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