Darwin's observations on the beaks of finches, which shaped his theory, were made on the
Correct answer: A. Galapagos Islands
- A. Galapagos Islands
- B. Hawaiian Islands
- C. Canary Islands
- D. Maldive Islands
Explanation
During the voyage of HMS Beagle Darwin found that each island of the Galapagos group carried finches whose beaks matched the food available there, from heavy seed crushers to fine insect probes. He later realised they had descended from one mainland ancestor and diverged, which is the classic example of adaptive radiation. The other island groups have famous endemic species but were not visited by the Beagle.
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About Darwinism
Darwinism explains evolution through inherited variation, competition for limited resources, survival and reproduction of better-adapted organisms, and natural selection over generations. It is distinguished from Lamarckism because Darwin's explanation depends on selection acting on existing heritable differences, not the inheritance of acquired characteristics.
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