Term
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Definition
| condensation, evaporation, precipitation, transpiration, surface runoff |
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Term
| what percentage of the air is nitrogen |
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Definition
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Term
| role of decomposers in the co2 cycle |
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Definition
to return carbon to soil and release co2 into the air |
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Term
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Definition
| making free nitrogen into a usable form |
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Term
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Definition
| plants that can fix nitrogen |
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Term
| role of a producer in the co2 cycle |
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Definition
| to take co2 from the air and return sugars/starches into the soil |
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Term
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Definition
| producers take in co2 and produce sugars |
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Term
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Definition
| the characteristics an organism has the help to survive and reproduce in its environment. (on test be able to give example) |
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Term
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Definition
| change an orgranism makes based on its environment. (be able to list predator adaptations), (know the prey adaptations in the book.) |
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Term
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Definition
| the role of an organism in its environment |
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Term
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Definition
| the struggle between organisms as they use the same limited resource |
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Term
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Definition
| the interaction in which one organism eats the other for food |
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Term
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Definition
| a close relationship between two species that benefits at least one of the species |
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Term
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Definition
| mutualism, commensalism, & parasiitism |
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Term
what are the ways humans affect the co2 cycle |
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Definition
| humans burn oil and other fuels, releasing oxygen into the atmosphere; when humans clear forests for lumber, fuel, and farmland, carbon dioxide levels rise. |
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