In Krebs and colleagues' study of snowshoe hare cycles, which of the following was a plausible reason for the failure of the "+Food/‒Predator" treatment to stop hare population declines late in the cycle?
A) Lynx can move great distances.
B) Only some, but not all, predators were excluded in the treatment.
C) Excess food supplies were removed prior to the end of the experiment.
D) Hares experienced an unexpected viral disease.

Question

Quizplus · Accepted Answer

The "+Food/‒Predator" treatment failed because only some predators were excluded, allowing others to still impact the hare population.

In Krebs and Colleagues' Study of Snowshoe Hare Cycles, Which