Chapter 4 Vocabulary

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