What are Ectoparasites and Endoparasites? List any three parasite adaptations in animals?

Explanation

The group of parasitic animals feeds on the external surface of the host organisms, such are called as ectoparasites.
The group of parasitic animals that live inside the host body at different sites, such are called as endoparasites.
The parasitic adaptations in animals are
Loss of unnecessary sense organs
Presence of adhesive sense organs
Loss of digestive system
High reproductive capacity
Complex life cycle involving one or two intermediate hosts.