| survival(noun, endurance) | |
| adaptation(noun, theory, evolution) | |
| survival of the fittest(noun, expression, idiom, theory, evolution) | |
| evolution(noun, theory, adaptation) | |
| social Darwinism(noun, expression, theory, evolution, adaptation) | |
| selection | |
| theory of evolution(noun, expression, idiom, theory, evolution) | |
| pick | |
| Darwinian theory(noun, theory) | |
| Darwinism(noun, theory, evolution, adaptation) | |
| social evolution(noun, expression, theory, evolution, adaptation) | |
| choice | |
| endurance | |
| excerpt | |
| extract | |
| hereditariness | |
| heredity | |
| inheritability | |
| inheritance | |
| option |
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Natural_selection on
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| APA | Smart Define. (2015). natural selection thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/natural_selection/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "natural selection thesaurus" https://smartdefine.org/natural_selection/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, natural selection thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/natural_selection/thesaurus/synonyms>. |
| MLA | Smart Define. "natural selection thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/natural_selection/thesaurus/synonyms> |