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| a “weeding out” process that favors the fittest and best-adapted form of an organism; Nicknamed “survival of the fittest” |
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| the remains of a living thing that have been preserved over time |
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| a change in a cell’s genetic material |
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| a theory that explains the origin and development of species on earth; the process of speciation; a gradual change in a group of living things |
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| genetic diversity in a population; natural differences between living things |
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| the development of a new species from an existing species |
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| the permanent disappearance of a species |
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| a theory of evolution by natural selection put forward by Charles Darwin |
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