Question

the egret (bird) is getting food by eating the insects off the deer. the deer benefits by getting rid of the parasitic insects. what type of relationship do the egret and deer fish exhibit?
commensalism
mutualism
parasitism

Explanation:

Mutualism is a symbiotic relationship where both species benefit. The egret gets food and the deer gets rid of parasites, so both benefit. Commensalism is when one species benefits and the other is unaffected. Parasitism is when one species benefits at the expense of the other.

Answer:

B. Mutualism