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22-3

Bonnie Branch 7th grade - 22-3 / Interactions among Living Things

TermDefinition
niche An organism’s particular role in an ecosystem, or how it makes a living
competition The struggle between organisms for the limited resources in a habitat
predation An interaction in which one organism hunts and kills another animal for food
predator A carnivore that hunts and kills other animals for food and has adaptations that help it capture the animal it preys upon
prey An animal that a predator feeds upon
symbiosis A close relationship between two organisms in which at least one of the organisms benefits
mutualism A type of symbiosis in which both partners benefit from living together
commensalism A relationship between two species in which one species benefits and the other is neither helped nor harmed
parasitism A relationship in which one organism lives on or inside another and harms it
parasite An organism that lives on or in a host and causes harm to the host
host An organism that provides a source of energy or suitable environment for a virus or for another organism to live
Created by: kjanelli
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