BiologyOct10th2006

BiologyOct10th2006 - in the chain had some different...

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Dustin Lee 10/10/2006 Biology Block C 1. Charles Lyell influenced Darwin by proposing that gradual and observable geologic processes such as erosion could explain the physical features of today’s Earth. 2. Darwin was most intrigued by life on the Galapagos Islands. The Galapagos are a chain of relatively young volcanic islands about 900 km off the western cast of South America. Darwin observed that the islands had many unique organisms. Most of the species on the islands were similar to, but different from the plants and animals of the nearest mainland. He observed that even the individual islands
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Unformatted text preview: in the chain had some different species of plants and animals from one another. Darwin inferred from these observations that mainland species had changed after they colonized the islands and adapted to their various new environments. 3. Natural Selection: the process by which individuals with inherited characteristics well-suited to the environment leave more offspring on average than do other individuals. 4. The sharp teeth of a house cat are an adaptation because a scar is gained during a lifetime....
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