From an ecological point of view, predation is favorable for a predator and unfavorable for its prey.

From an ecological point of view, predation is favorable for a predator and unfavorable for its prey. Why, then, does the mass destruction of predators in ecosystems lead to the disappearance of their prey?

1) when predators are destroyed, the number of victims first increases, since there are no natural enemies;
2) further, the number of victims sharply decreases, since the intraspecific struggle among the victims increases, and diseases spread, since there is no one to play a sanitary role.

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