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How did Darwin explain the existence of different varieties of finches on Galapagos Islands? |
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Answer» Darwin explained that all the verities evolved on the island itself from the original seed-eating birds, many other forms with altered beaks arose some others became insectivorous while remained the vegetarian flinches. Such process of evolution of different species in a given geographied area, starting from a point and literally radiating to other habitats, is called adaptive radiation. |
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