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Definition
| the biogeochemical cycle is the process in which elements, chemical compounds, and other forms of matter are passed from one organism to another and from one part of the biosphere to another. |
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Term
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Definition
| a nutrient is a chemical substance that organisms need to sustain life. |
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Term
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Definition
| nitrogen fixation is the process of converting nitrogen gas into nitrogen compounds that plants can absorb and use. |
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Term
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Definition
| denitrification is the process by which bacteria converts nitrates into nitrogen gas. |
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Term
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Definition
| limiting nutrient is a single essential nutrient that limits productivity in an ecosystem. |
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