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5th Grade Science

3.2 Vocabulary

TermDefinition
competition organisms struggle with each other for limited resources such as food, water, space, mates
limiting factor resource that restricts growth of populations
carrying capacity greatest number of individuals that can be supported by an ecosystem
habitat the physical place that an organism lives and gets its food
niche the role that an organism plays in its community
symbiosis the relationship between two or more kinds of organisms that lasts over time
mutualism a symbiotic relationship where both organisms benefit
commensalism a symbiotic relationship where one organism benefits while the other neither benefits nor is harmed
parasitism a symbiotic relationship in which one organism benefits and the other is harmed
parasite the organism that benefits
host the organism that is harmed
Created by: jaoryan
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