Biology · Evolution
A small group of birds colonizes an isolated island. After several generations, the population shows limited genetic variation and distinct allele frequencies compared to the mainland population. Which evolutionary mechanism best explains this observation?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Stabilizing selection
- 2Founder effect✓
- 3Gene flow
- 4Natural selection
Correct answer
Founder effect
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