ACC Biogeochemical Cycles

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Across
  1. 5. Largest reservoir of oxygen
  2. 9. Where nitrogen-fixing bacteria live
  3. 10. Driving force of the water cycle
  4. 12. Volcanic eruptions is an ____________ process that leads to CO2 entering the atmosphere
  5. 14. Producers that take energy directly from the sun
  6. 15. Largest reservoir of water
  7. 17. Photosynthesis is a _________ process that takes CO2 out of the atmosphere
  8. 18. Compound found in greatest abundance on Earth
  9. 20. Largest reservoir of nitrogen
  10. 22. General term used to describe oxygen dissolving in water
  11. 24. Water moves from the atmosphere back to the ground
  12. 27. Water vapor changes to liquid water forming clouds
  13. 29. How phosphorus moves from ocean rock to land
  14. 31. Consume decaying and dying organisms; bacteria and fungi are examples
  15. 32. Process where glucose and oxygen are converted to carbon dioxide and water
  16. 34. Water moves from bodies of water to the atmosphere
  17. 35. Driving force of Nitrogen Cycle
  18. 38. Release of water by trees to the atmosphere
  19. 39. Product of nitrogen, sulfur and carbon reacting with water vapor
  20. 40. Release of water by grass/ground to the atmosphere
  21. 42. Where H2S is comes from
  22. 43. Ammonium is converted to nitrites and then nitrates by nitrifying bacteria
  23. 44. Consumers that eat producers
  24. 46. Process used by deep sea organisms to get energy
  25. 47. The slow Carbon cycle leads to the formation of ________.
Down
  1. 1. Process of converting CO2 and H2O to glucose and O2
  2. 2. Cellular respiration and _________ are 2 ways oxygen exits the atmosphere
  3. 3. Breakdown of sedimentary rock
  4. 4. Largest reservoir of carbon
  5. 6. Overgrowth of algae in water due to excess nitrogen and phosphorus leading to the suffocation of aquatic life
  6. 7. Nitrates not absorbed by plants are converted by to N2 by denitrifying bacteria
  7. 8. Smallest reservoir of water
  8. 11. Example of inorganic molecule in carbon cycle
  9. 12. Where phosphorus is never found
  10. 13. Process in which humans cut down trees affecting the water, carbon and nitrogen cycles
  11. 16. Phosphorus is leached out of rock in the form of ________.
  12. 19. Largest reservoir of sulfur
  13. 21. Sulfur assimilates into plants in the form of _______.
  14. 23. Where most freshwater is found
  15. 25. Process where the sun causes the breakdown of water to form oxygen
  16. 26. Energy produced by cellular respiration and phosphorus plays an important role
  17. 28. N2 is converted to NH3/NH4+
  18. 30. Energy production in the absence of oxygen
  19. 33. _______ molecules contain carbon and hydrogen
  20. 36. Absorption of nitrates into plants
  21. 37. CO2 being released by oceans due to rising global temperatures is an example of ______.
  22. 41. Decomposers break down dead plants and turn nitrates in plants back to ammonia/ammonium
  23. 45. Example of an organic molecule in carbon cycle