Symbiotic Relationships

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Presentation transcript:

Symbiotic Relationships 8th Grade Science

Symbiotic Relationships = A relationship that exists between two different things that live together in direct contact. Parasitism Mutualism Commensalism

Parasitism A symbiotic relationship in which one organism (the parasite) benefits at the expense of the other organism (the host). In general the parasite does not kill the host. (One animal benefits and the other is hurt)

Mutualism A symbiotic relationship when both organisms benefit.

Commensalism A symbiotic relationship in which one organism benefits and the other is unharmed or unaffected.