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23 Cards in this Set
- Front
- Back
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The process in which organisms change to survive in their environment.
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natural selection
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The behaviors and physical characteristics that allow organisms to live successfully in their
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adaptations
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The role of an organism in its habitat or how it makes its living.
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niche
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The struggle between organisms to survive as they attempt to use the same limited resource.
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competition
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An interaction in which one organism kills another for food.
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predation
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The organism that does the hunting, killing and eating.
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predator
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The organism that is killed and eaten.
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prey
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A close relationship between two species that benefits at least one of the species.
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symbiosis
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A symbiotic relationship in which both species benefit.
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mutualism
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A symbiotic relationship in which one species benefits and the other species is neither helped nor harmed.
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commensalism
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A symbiotic relationship where one organism lives on or inside another organism, harming it.
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parasitism
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The organism that benefits by living on or in another.
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parasite
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The organism that a parasite lives on or in.
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host
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A living thing.
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organism
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An environment that provides the things an organism needs to live, grow, and reproduce.
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habitat
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A living part of an organism’s habitat.
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biotic factor
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A nonliving part of an organism’s habitat
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abiotic factor
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The process in which organisms use water along with sunlight and carbon dioxide to make their own food.
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photosynthesis
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A group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce.
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species
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All the members of one species in a particular area.
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population
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All the different populations that live together in an area.
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community
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The community of organisms that live in a particular area along with their nonliving surroundings.
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ecosystem
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The study of how living things interact with each other and their environment.
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ecology
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