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Why does a predator kill its prey, when a parasite rarely kills its host?

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Predators kill prey for a form of nutrients and to stay alive and parasites won’t kill the host always because they aren’t all deadly
User Giulio Genovese
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Answer:

Usually, parasites are much smaller than the host is, whereas predators could be either small or larger than the prey. Parasites have a very high reproduction rate but the predators reproduce slowly.

Step-by-step explanation:

User Jake Lowen
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