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16 Cards in this Set
- Front
- Back
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no longer existing
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extinct
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an area that an animal defends from others of the same species
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territory
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the number of organisms born druing a given time period
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birth rate
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the way a species lives; its job
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niche
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the place where an organism lives and finds food, water and shelter
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habitat
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all of the individuals of the same kind in a certain place
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population
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a single living organism
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individual
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the series of changes that naturally takes place in a community over time
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succession
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all of the populations in an ecosystem
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community
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the study of relationships among living and non-living things
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ecology
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organisms that produce their own energy; another name for plants
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producers
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the final stage of succession in a community
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climax community
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a community and its physical environment
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ecosystem
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the number of organisms that die during a given period of time
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death rate
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the first stage of succession
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pioneer stage
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a species in danger of disappearing from the earth because so few are left
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endangered species
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