Which of the following types of species interaction is correctly paired with its effects on the density of the two interacting populations?
A)predation: as one increases, the other increases
B)parasitism: both decrease
C)commensalism: as one increases the other stays the same
D)mutualism: both decrease
E)competition: both increase

Question

Quizplus · Accepted Answer

In commensalism, one species benefits while the other is neither helped nor harmed, so the density of one population can increase while the other remains unchanged.

Which of the Following Types of Species Interaction Is Correctly