Biology · Evolution
A small isolated island population of birds shows a sudden increase in average beak length due to a rare mutation. Over several generations, these birds establish distinct mating patterns and no longer interbreed with the original mainland population. Which of the following evolutionary processes are primarily illustrated here?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Recombination and disruptive selection
- 2Genetic drift and directional selection
- 3Mutation, founder effect, and speciation✓
- 4Gene flow and stabilizing selection
Correct answer
Mutation, founder effect, and speciation
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