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A parasitic organism is a life-form that can not sustain life without another living creature or plant.

It often lack the ability to "digest" food and utilize a host by draining its nutrients.

Some parasites do however digest food, they just use a host as food, eating away on the host or eating away on the food the host have eaten.

Most if not all are defined as parasites because they can not live for long outside or away from a host of which is its feeding ground.

A parasite is bad for a host because there are normally no benefits to the host from them.

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15y ago

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