Sexual dimorphism

Pronunciation
/sek-shoo-ul di-MOR-fiz-um/
Category
Taxonomy
Singular
Sexual dimorphism
Plural
Sexual dimorphisms

Definition

The condition in which males and females of a species exhibit distinct physical differences, often related to their reproductive roles.

Etymology

From Latin 'sexualis' meaning 'relating to sex', and Greek 'morphe' meaning 'form'.

Example

The pronounced sexual dimorphism in many species of butterflies, with males often displaying vibrant colors while females are more drab.

Related Terms

Usage Notes

Sexual dimorphism can be influenced by sexual selection and can involve various traits such as size, coloration, and shape.