Measuring its costs and benefits in terms of energy spent and/or gained, which interaction(s) involve at least one individual gaining?
A)competition
B)predation
C)obligate mutualism
D)facultative mutualism
E)commensalism

Question

Quizplus · Accepted Answer

In predation, the predator gains energy by consuming the prey. In obligate mutualism, both species gain benefits essential for their survival. In facultative mutualism, both species gain benefits but the relationship is not essential for survival. In commensalism, one species gains benefits while the other is neither helped nor harmed.

Measuring Its Costs and Benefits in Terms of Energy Spent