Definition of sexual selection in English:

sexual selection

Line breaks: sex¦ual se¦lec|tion

noun

[mass noun] Biology
  • Natural selection arising through preference by one sex for certain characteristics in individuals of the other sex: long tails in male birds of the species probably evolved through sexual selection
    More example sentences
    • A large portion of the first volume was devoted to the working of natural and sexual selection as an explanation of the origin of human beings by natural means.
    • In fact, Darwin himself postulated that facial hair may have evolved through sexual selection.
    • Moreover, he developed a theory of sexual selection in evolution… in which the chief force is the competition among males to be more appealing to discriminating females.

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Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody