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