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 exhibit?
mutualism
commensalism
parasitism

Explanation:

In mutualism, both species in the relationship benefit. Here, the egret gets food by eating insects off the deer, and the deer benefits by getting rid of parasitic insects. So it's a mutual - beneficial relationship.

Answer:

Mutualism