key term - Parasitic relationship

Definition

A parasitic relationship is a type of symbiotic relationship where one organism benefits at the expense of another organism, which is harmed in the process.

Related terms

Host-parasite interaction: This term refers to the specific interaction between a parasite and its host.

Pathogen: A pathogen is an organism that causes diseases in its host.

Ectoparasite vs. Endoparasite: Ectoparasites live on the surface of their hosts (like ticks), while endoparasites live inside their hosts (like tapeworms).