Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025
Definition
Excavata is a major supergroup of unicellular eukaryotes characterized by their feeding groove, which is used to capture food. They include important parasitic species that affect humans and animals.
5 Must Know Facts For Your Next Test
Excavata includes medically important parasites like Giardia and Trichomonas.
Members of Excavata often have modified mitochondria or lack them entirely.
These organisms can be free-living or parasitic, impacting both health and ecosystems.
They are known for their flagella, which they use for movement.
The group is named for the 'excavated' feeding groove found in many of its members.