Across
- 3. A highly soluble form of nitrogen containing both nitrogen and oxygen
- 4. The biological oxidation of ammonia or ammonium to nitrite followed by the oxidation of the nitrite to nitrate
- 5. ions Soluble in water and can dissolve out of rock into soil or water environments called weathering
- 7. Another word for anaerobic respiration
- 10. Plants that nitrogen-fixing bacteria are found on
- 11. respiration The process of producing cellular energy without oxygen
Down
- 1. respiration Respiration that uses oxygen to release the energy in carbohydrates
- 2. The process that another group of bacteria convert ammonia and nitrate back into nitrogen gas
- 6. cycle Describes the path of phosphorus thought the ecosystem
- 8. Fungi that have a symbiotic relationship between the roots of most plants
- 9. cycle The movement of nitrogen between abiotic and biotic components of the biosphere
