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1. (n.) natural selection
the process in nature by which forms of life having traits that better enable them to adapt to specific environmental pressures, as changes in climate or competition for food or mates, will tend to survive and reproduce in greater numbers than others of their kind, thus perpetuating those traits in succeeding generations.
Etymology: (1855–1860)
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| Definition of 'natural selection' |
Princeton's WordNet |
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1. (noun) survival, survival of the fittest, natural selection, selection
a natural process resulting in the evolution of organisms best adapted to the environment
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| Definitions of 'natural selection' |
The Nuttall Encyclopedia |
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1. natural selection
name given by Darwin to the survival of certain plants and animals that are fitted, and the decease contemporaneously of certain others that are not fitted, to a new environment.
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Definitions of natural selection 
