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Natural selection

Definition

noun

A process in nature in which organisms possessing certain genotypic characteristics that make them better adjusted to an environment tend to survive, reproduce, increase in number or frequency, and therefore, are able to transmit and perpetuate their essential genotypic qualities to succeeding generations.


Supplement

It is the process by which heritable traits that increase an organism’s chances of survival and reproduction are favoured than less beneficial traits. Originally proposed by Charles Darwin, natural selection is the process that results in the evolution of organism.



See also:
theory of evolution, survival of the fittest.


Additional Reference

A more detailed discussion about the theory and of natural selection and examples of it in practice can be found in the genetics and evolution tutorial.


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