Question

fill in the blank question

a relationship between two organisms where the host is harmed and the colonizer benefits is

Explanation:

Identify the ecological relationship

A symbiotic relationship where one organism (the colonizer/parasite) benefits at the expense of another organism (the host), which is harmed, is defined as parasitism.

Answer:

A relationship between two organisms where the host is harmed and the colonizer benefits is <blank>parasitism</blank>.