What Occurs When an Interaction Benefits One Species but Has

Question

What occurs when an interaction benefits one species but has little, if any, effect on the other?
A)interspecific competition
B)predation
C)parasitism
D)mutualism
E)commensalism

Accepted Answer

In commensalism, one species benefits while the other is neither helped nor harmed. Therefore, if an interaction benefits one species but has little effect on the other, it is an example of commensalism.