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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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