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== Difinition ==
== Definition ==
=== Glossary of Evolution (2nd ed.) by [[Futuyma_2009|Futuyma (2009)]] ===
=== Glossary of Evolution (2nd ed.) by [[Futuyma_2009|Futuyma (2009)]] ===
* A process of genetic change in a population whereby, as a result of natural selection, the average state of a character becomes improved with reference to a specific function, or whereby a population is thought to have become better suited to some feature of its environment. Also, ''an'' adaptation: a feature that has become prevalent in a population because of a selective advantage conveyed by that feature in the improvement in some function.
* A process of genetic change in a population whereby, as a result of natural selection, the average state of a character becomes improved with reference to a specific function, or whereby a population is thought to have become better suited to some feature of its environment. Also, ''an'' adaptation: a feature that has become prevalent in a population because of a selective advantage conveyed by that feature in the improvement in some function.
