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Biotic Relationships: Community Interactions
Biotic Relationships 1.Competition 2.Predation 3.Symbiosis
Competition Organisms attempt to use a resource in the same place at the same time Examples: –Water –Nutrients –Light –Food –space
Predation One organisms captures and feeds on another Predator is the killer/eater Prey is the food
Symbiosis Any relationship in which two species live closely together Three main classes: 1.Mutualism 2.Commensalism 3.Parasitism
Mutualism Both species benefit Example: flower and bee
Commensalism One benefits, the other is neither benefited nor harmed Example: barnacles and whale Barnacle filter feeds
Parasitism One benefits, the other is harmed Parasite lives on or in the host, and obtains some/all of its nutrients from host Examples: tapeworms, fleas, ticks, lice
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