Darwin's finches were a good example of

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(B) During his voyage on the ship $H.M.S.$ Beagle,Charles Darwin visited the Galapagos Islands. He observed a variety of small black birds,now known a

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adaptive radiation

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(B) During his voyage on the ship $H.M.S.$ Beagle,Charles Darwin visited the Galapagos Islands. He observed a variety of small black birds,now known as Darwin's finches. He realized that there were many varieties of finches in the same island. All the varieties,he conjectured,evolved on the island itself from the original seed-eating features. From the original insectivorous features,many other forms with altered beaks arose,enabling them to become insectivorous and vegetarian finches. This process of evolution of different species in a given geographical area starting from a point and literally radiating to other areas of geography (habitats) is called adaptive radiation. Therefore,Darwin's finches are a classic example of adaptive radiation.

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