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 selectionMore 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.
More definitions of sexual selectionDefinition of sexual selection in:
- The US English dictionary