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Surviving to reproduce is the measure of success in Darwin's natural selection and in the selective breeding or artificial selection process. In natural selection, nature decides which organisms will survive and breed -- by competition for food, mates, space, territory, and so on. In selective breeding, people decide which organisms will reproduce -- by how much the organisms match the specific criteria set by the humans such as fast growing, disease resistant, friendly, correct shape or form, ...

2007-12-13 14:14:43 · answer #1 · answered by ecolink 7 · 0 0

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