If an increase in a deer population depletes the animals' food supplies, leading to a decrease in population back toward the original number, this would be an example of a positive feedback.

Question

Quizplus · Accepted Answer

This is an example of a negative feedback mechanism because the increase in the deer population (which leads to food depletion) triggers a response that reduces the population back towards its original size, thereby stabilizing the system. Positive feedback would amplify or increase the change, not counteract it.

If an Increase in a Deer Population Depletes the Animals