Ecosystems

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11 Terms

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Biotic factors

all the living members of an ecosystem

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abiotic factors

resources that are competed for by living things

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oxygen

O2 - 21%

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Nitrogen

N - 78%

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Carbon Dioxide

CO2 - less than 1 %

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Argon

Ar - less than 1 %

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organism

a single living thing

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Population

two or more of the same organism

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community

two or more populations of organisms

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ecosystem

two or more populations or organisms PLUS abiotics

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Plant abiotics

air, water, sun, nutrients, space, temperature