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Bio Standard B.12(A)
interpret relationships, including predation, parasitism, commensalism...
Term | Definition |
---|---|
Predation | act of one organism feeding on another organism. |
Commensalism | symbiotic relationship in which one organism benefits and the other organism is neither helped nor harmed. |
Mutualism | symbiotic relationship in which both organisms benefit. |
Competition | active demand by two or more organisms or kinds of organisms for some environmental resource in short supply |
Environment | the complex of physical, chemical, and biotic factors (as climate, soil, and living things) that act upon an organism or an ecological community and ultimately determine its form and survival |
Ecosystem | biological community and all the nonliving factors that affect it. |
Parasitism | symbiotic relationship in which one organism benefits at the expense of another organism. |