Multiple choice

Sibling species are formed due to

  1. genetic drift

  2. different reproduction

  3. mutations

  4. artificial selection
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Sibling species are morphologically similar or identical species that are reproductively isolated. They form through genetic divergence where mutations accumulate over time, eventually creating reproductive barriers even though the species appear similar. This process occurs through gradual genetic changes rather than other mechanisms like genetic drift or artificial selection.

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