Biology for IGCSE & O level - Variation And Selection (Section 5 - No. 35)
Which of the following scenarios best illustrates the concept of natural selection?
A farmer selectively breeds his cows to produce more milk.
A population of moths changes color over time to blend in with a changing environment.
A scientist creates a new species of plant in the lab.
A group of animals migrates to a new environment.
Explanation
The moths changing color is a classic example of natural selection - environmental pressure favors advantageous traits.
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