The role of predation in population control is similar to the prey-predator relationship because it effects both consumers. Predation can have substantial effects of prey populations. As a result, prey species often evolve defensive adaptions. An example of this is that bears and wolves are used to keep the population of moose under control. Another example of predation deals with golden eagles. Their nests are vulnerable to predation, but they are on nests on the cliffs. The predators that would normally eat the eggs cannot reach these nests. Another example would be arctic foxes eating the mice and rats to control the population of them and control them so they do not spread diseases.

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