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7 Cards in this Set
- Front
- Back
food chain
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the sequence of who eats whom in a biological community.
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food web
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the network of all the inter-related food chains in a biological community
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biologically important elements
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Sulfur
Hydrogen Carbon Nitrogen Oxygen Phosphorus |
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nitrogen gas
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molecule found in the atmosphere resulting from the denitrification of nitrate
(atmospheric nitrogen) |
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organic nitrogen
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nitrogen found in an organic compound
(living things) |
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ammonium
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results from the fixation/ deposition of atmosphere nitrogen and decomposition of organic nitrogen
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nitrate
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form of nitrogen most plants can use, resulting from the conversion
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