| Pronunciation: | | 'nachurul si'lekshun
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 WordNet Dictionary |
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| | Definition: | | [n] a natural process resulting in the evolution of organisms best adapted to the environment |
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| | Synonyms: | | selection, survival, survival of the fittest |
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| | See Also: | | action, activity, natural action, natural process |
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| Biology Dictionary |
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| | Definition: | | The differential survival and reproduction of organisms with genetic characteristics that enable them to better use environmental resources. |
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| Glossary |
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- The differential survival and reproduc- tion of organisms with genetic characteristics that enable them to better utilize environmental resources.
- the process whereby members of a species who have more surviving offspring than others pass their traits on to the next generation, whereas the less favored do not do so to the same degree.
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