Darwin noted seed-eating finches had which kind of beak?
ALonger and thinner
BSpear-like and sharp
CHooked and curved
DStronger and thicker
Answer & Solution
Correct answer: D. Stronger and thicker
1. Beaks matched food sources.
2. Seed eaters had stronger, thicker beaks.
3. Insect eaters had spear-like beaks.
_Source: OpenStax Biology 2e, Chapter 18, Evolution and the Origin of Species (CC BY 4.0)._
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