Polymorphism
- Pronunciation
- /pol-ee-MOR-fiz-um/
- Category
- Biology
- Singular
- Polymorphism
- Plural
- Polymorphisms
Definition
The existence of two or more distinct forms or morphs within a population of the same species.
Etymology
From Greek 'poly-', meaning 'many', and 'morphe', meaning 'form'.
Example
Aphids exhibit polymorphism, with different morphs adapted to different host plants.
Related Terms
- Phenotype
- Morph
- Adaptation
Usage Notes
Polymorphism often arises through genetic variation and natural selection.