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7th grade science - Interaction (Unit 12)

Terms in this set (10)

competition
the struggle between organisms to survive as they use the same limited resource in the same place at the same time
predation
when one organism kills another for food or nutrition
predator
organism that does the killing
prey
organism that is killed and eaten by another organism
symbiosis
relationship between two species that live closely together that benefits at least one of the species
mutualism
relationship where both organisms benefit from living together
commensalism
relationship where one organism benefits and the other is neither helped nor harmed
parasitism
relationship where an organism lives with, on, or in another organism and harms it
parasite
organism that gets nutrients and shelter by living in another organism
host
organism that provides a source of energy or a suitable environment for a parasite to live
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