Adaptive Radiation

Question

Darwin's finches are an example of:

RankGuru · Accepted Answer

1. **Definition**: Adaptive radiation is the process by which a single ancestral species diversifies into many different forms to fill separate ecological niches.
2. **Darwin's Observation**: He noted that multiple species of finches on the Galapagos Islands evolved different beak shapes suited to different food sources (seeds, insects, cactus).
3. **Source**: All radiated from a common ancestral seed-eating finch on the mainland.
4. **Conclusion**: Darwin's finches are the classic example of adaptive radiation.

Adaptive Radiation

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