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ch. 13.3
ch.13.3
| Question | Answer |
|---|---|
| nitrifying bacteria | soil bacteria, change nitrogen into forms that plants can take up through their roots |
| nitrogen cycle | nitrogen moves from from the atmosphere to the soil, to living organisms, and then back to the atmosphere |
| phosphorus cycle | phosphorus moves from soil to producers and consumers, and back to soil |
| carbon cycle | carbon moves between the living and non-living environment |