natural selection
Definition of natural selection
: a natural process that results in the survival and reproductive success of individuals or groups best adjusted to their environment and that leads to the perpetuation of genetic qualities best suited to that particular environment
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First Known Use of natural selection
1842
NATURAL SELECTION Defined for English Language Learners
natural selection
Definition of natural selection for English Language Learners
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: the process by which plants and animals that can adapt to changes in their environment are able to survive and reproduce while those that cannot adapt do not survive
Medical Dictionary
natural selection
Medical Definition of natural selection
: a natural process that results in the survival and reproductive success of individuals or groups best adjusted to their environment and that leads to the perpetuation of genetic qualities best suited to that particular environment
Learn More about natural selection
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Britannica.com: Encyclopedia article about natural selection
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