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key components of evolutionary theories?
They are listed in different form in different books, but it generally goes something like this: 1. There is variation in every generation of organisms 2. [ Some of these variations make an organism better suited to survive and reproduce in its environment (which he called Natural Selection) 3. These beneficial variations are handed down to the next generation 4. Over many generations,
beneficial variations accumulate in the population Which you can interpret like this: 1. Variations are the result of mutations and recombinations 2. Some (a few) of these variations are selected for 3.Because these variations are the result of the genetic makeup of the organism, they are passed on by sexual reproduction 4. The population becomes more adapted to its environment; we say it "evolves" ]
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Asked 309 days ago|11/17/2013 5:59:13 PM
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