an interaction between two species in which one species, the predator, feeds on the other species, the prey.

interspecific competition

a type of interaction where 2 or more species use the same limited resource.

a close long term relationship betweeen two organisms.

a relationship where one organism is harmed and the other one is benefitted.

a relationship where both organisms benefit.

a relationship where one organism is helped and on is neither helped nor harmed.

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ch 20.1

community ecology

Question	Answer
predation	an interaction between two species in which one species, the predator, feeds on the other species, the prey.
interspecific competition	a type of interaction where 2 or more species use the same limited resource.
symbiosis	a close long term relationship betweeen two organisms.
parasitism	a relationship where one organism is harmed and the other one is benefitted.
mutualism	a relationship where both organisms benefit.
commensalism	a relationship where one organism is helped and on is neither helped nor harmed.