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Darwin’s Finches
Part 1 of Paper
.... 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 different? This can easily be explained by the idea of speciation.
Sp.... Part 2 of Paper
....henotypically distinct, and can only produce fertile offspring in zoos.
Sympatric speciation occurs when two segments of the same species occupy a geographical area without interbreeding. Each new species, 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.... |
| Number of words: 964 - Approximate pages: 4 |
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