noun
- Animals that lack a body cavity (coelom) between the body wall and internal organs; organisms with no distinct internal space for organs.
Usage: biology; zoology; plural form; singular is acoelomate
Examples
- Flatworms are examples of acoelomates found in marine and freshwater environments.
- Acoelomates lack the body cavity that more complex animals possess.
- In evolutionary biology, acoelomates are considered more primitive than coelomates.
- Most acoelomates are small organisms with simple body structures.
- Planarians, a type of flatworm, are common acoelomates studied in biology classes.