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03:30
About human evolution and the...
Encyclopedia Britannica
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5:01
Evolution and natural selection
Khan Academy
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8:53
What is Evolution?
Stated Clearly
more...
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03:30
About human evolution and the...
Encyclopedia Britannica
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5:01
Evolution and natural selection
Khan Academy
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8:53
What is Evolution?
Stated Clearly
View video
9:19
What is Natural Selection?
Stated Clearly
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2:28
Adaptation
Learn.Genetics
Related terms:
cell division
DNA damage
DNA repair
gene expression
gene frequency
gene rearrangement
genotype
genetic linkage
phenotype
Genetic Function
evolution Audio
ev·o·lu·tion [ ev-uh-loo-shuhn, ee-vuh- ]
Definitions related to biological evolution:
  • (evolution) Process of cumulative change over successive generations through which organisms acquire their distinguishing morphological and physiological characteristics.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • (evolution) The process by which organism populations change over successive generations that is influenced by gene mutation and natural selection.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • The process of cumulative change over successive generations through which organisms acquire their distinguishing morphological and physiological characteristics.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
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