Question

a relationship between two organisms in which one organism benefits and the other is unaffected parasite camouflage host commensalism

Explanation:

Commensalism is a biological interaction where one organism benefits and the other is neither harmed nor helped. A parasite benefits at the expense of the host (harmful to host). Camouflage is a physical adaptation for hiding. Host is an organism that harbors another. So the term matching the description is commensalism.

Answer:

commensalism