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Definition
| a way that substances such as water, carbon, nitrogen, calcium, and phosphorus each pass between the living and nonliving worlds. |
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Definition
| water in the ground or in underground formations or porous rock. |
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Definition
| The movement of water between various reservoirs. |
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Definition
| The process by which water evaporates from the leaves of plants in terrestrial ecosystems. |
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Definition
| The movement of carbon through the living and nonliving world. |
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Definition
| The complex pathway that nitrogen follows in an ecosystem. |
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Definition
| the process of converting N2 gas to nitrate. |
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Definition
| bacteria that transform gas into a usable form |
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Definition
| A process in which decomposes break down dung and urine to release nitrogen which contains ammonia which in soil becomes ammonium. |
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Definition
| a process in which bacteria from the soil take up ammonium and oxidize it into nitrites. |
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Term
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Definition
| nitrogen is returned into the atmosphere. |
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Term
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Definition
| the movement of phosphorus from the environment to organisms and then back to the environment. |
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