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13. Ecology

Relationships

TermDefinition
Parasitism a relationship between two species in which one species benefits from the other species, the host, which is harmed
Commensalism a relationship between two organisms in which one organism benefits and the other is unaffected
Mutualism a relationship between two species in which both species benefit
Predation an interaction between two organisms in which one organism kills and feeds on the other organism, the prey
Competition ecological relationship in which two organisms attempt to obtain the same resource
Symbiosis any type of a close and long-term biological interaction between two different species
Niche all of the physical, chemical, and biological factors that a species needs to survive, stay healthy, and reproduce in an ecosystem
Created by: cfhsbiology