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Interactions among organisms
Term | Definition |
---|---|
Cooperation | A helpful interaction among organisms living in a limited area that aids each organism's survival. |
Competition | An interactian that occurs when organisms try to get the same resources. |
Symbiosis | All of the food chains in an ecosystem and how they are interconnected. |
Mutualism | A close relationship between two species that benefits at least one of the species. There are three types of symbiosis- mutualism, commensalism , and parasitism. |
Commensalism | A symbiotic relationship between two organisms in which both organisms benefit. |
Parasitism | A symbiotic relationship in which one organism benefits and the other is harmed |
Parasite | An organism that lives in or on another organism and benefits at the other organism'sexpense. |
Host | An organism that a parasite lives in or on. |