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Darwin's finches - College Paper

Darwin's finches

While spending time studying species on the Galapagos Islands Charles Darwin noticed some considerable differences between the finches varying from island to island. �Charles Darwin was the first to see reason in the creation of different species, instead of just assuming they appeared out of nothingness.�(Darwin 169). Darwin was also the first to understand and correctly explain how these differences occurred. �Although Darwin understood why there were these differences in the birds, and that they were passed down from parents to offspring, he couldn�t explain why.�(Darwin 40-41) Characteristics of finches varied from island to island based on the available resources (such as food), these ...

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as opposed to what was formerly theorized by Lamarck (another scientist who studied evolution), that species made major changes over the course of just a few generations.�(Darwin 1445-6). Darwin also concluded that changes in species took place through the genetic characteristics of a population. As one group of finches moved to a new island, there population would change, and adapt to their new surroundings and available foods. �Darwin�s findings also state that a change in a species happens as the balance of genetic characteristics changes across that population.� (Petren 222).
Because Darwin understood how the differences in the finches occurred, he created his theory of evolution by natural selection. �Darwin�s theory of evolution by natural selection, �Darwinism� said that the species changed as those who were better equipped for survival created offspring, and those who were less equipped died out.�(De Camp 221). The beaks of the finches varied from island to island ...

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PAPER DETAILS

Added: 6/5/2013 05:57:06 PM
Submitted By: ck12345
Category: Science & Nature
Type: Premium Paper
Words: 441
Pages: 2

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