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Darwin’s Finches
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On the Galapagos Islands in the Pacific Ocean lives thirteen different species of finches. Although not much to look at, these thirteen different species, sporting thirteen distinctly different beaks, provide proof of Darwin’s theory of evolution by natural selection. But how did these birds, once sharing the same habitat and species, become so ....
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....pecies, or subspecies, adapt to a specific environmental niche (adaptive radiation).
Two segments of the same species Adapted to different niches
An example of sympatric speciation is the genus Rhagoletis. These are a group of small flies whose larvae feed on developing fruit. The Rhagoletis pomonella is a species that feeds on hawthorns. T.... |
| Word count: 964 |
Page count: 4 |
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