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Biology, 26.07.2019 12:30 krobinson27
Aspecies of bird was well established on an island. its beak was well-structured for cracking large nuts. after a few years, some larger birds arrived from a neighboring island. these larger birds drove away the smaller native birds and ate all the large nuts, ignoring the other varieties of nuts. over a period of time, the native birds seemed to have developed smaller beaks than before. explain the most likely reason for the change in these birds.
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Aspecies of bird was well established on an island. its beak was well-structured for cracking large...
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