Parasitism

Definition

Parasitism is a type of symbiotic relationship where one organism, called the parasite, benefits at the expense of another organism, called the host. The parasite relies on the host for resources and can harm or weaken it.

Related terms

Mutualism:

A symbiotic relationship where both organisms benefit from each other's presence.

Commensalism:

A symbiotic relationship where one organism benefits while the other is neither harmed nor benefited.

Host: The organism that provides resources and support to a parasite.