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How does predation help in balancing the number of animals in nature?
Wiki User
∙ 10y ago
Predators usually take out the sick, old and young. Very simply put they take out a portion of the prey population which balances out those populations, leaving the remainder vital and healthy breeding specimens. As the sick, old and young that are vulnerable are taken, finding food becomes harder for the predators. The old, sick and young suffer the most when food availability drops and many end up dying from hunger which in turn balances the predator population leaving only the fittest to breed.
And it works the opposite way as well. Take for instance a surge of large litters of young rabbits due to better green food availability, in response the predator population will dramatically increase because of plenty of food items available with which to nurture pregnacies and feed youngsters to adulthood.
Wiki User
∙ 10y ago
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true
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