Environmental Balancing Act

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Across
  1. 8. Process where bacteria turn the nitrogen-rich dead organisms into ammonium, which can be picked back up by plants and used again.
  2. 10. process through which specialized bacteria convert ammonia into nitrite (NO2), and then nitrate (NO3-)
  3. 12. process where bioavailable Nitrogen is converted back into atmospheric Nitrogen.
Down
  1. 1. turning atmospheric nitrogen into nitrogen living things can use.
  2. 2. element with atomic number of 7 (7-protons), makes up proteins and nucleic acids and is therefor necessary for life. It also makes up 78% of our atmosphere
  3. 3. Name for N2 ("Nitrogen in _______")
  4. 4. areas of low oxygen
  5. 5. Name for NH4
  6. 6. Name for NO3
  7. 7. can "fix" or convert unusable atmospheric Nitrogen to useable Nitrogen for producers like Alfalfa or soybeans
  8. 9. Niche of bacteria and fungi
  9. 11. Name for NO2