CPA Biogeochemical Cycles

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Across
  1. 4. Driving force of the water cycle
  2. 5. The slow Carbon cycle leads to the formation of ________.
  3. 13. Process used by deep sea organisms to get energy
  4. 14. Largest reservoir of water
  5. 16. Water moves from the atmosphere back to the ground
  6. 17. _______ molecules contain carbon and hydrogen
  7. 20. Release of water by grass/ground to the atmosphere
  8. 22. Overgrowth of algae in water due to excess nitrogen leading to the suffocation of aquatic life
  9. 23. Largest reservoir of carbon
  10. 25. Water vapor changes to liquid water forming clouds
  11. 28. Process of converting CO2 and H2O to glucose and O2
  12. 29. Volcanic eruptions is an ____________ process that leads to CO2 entering the atmosphere
  13. 30. Smallest reservoir of water
  14. 31. Where most freshwater is found
  15. 32. Largest reservoir of nitrogen
  16. 33. Process in which humans cut down trees affecting the water, carbon and nitrogen cycles
Down
  1. 1. Decomposers break down dead plants and turn nitrates in plants back to ammonia/ammonium
  2. 2. Absorption of nitrates into plants
  3. 3. Nitrates not absorbed by plants are converted by to N2 by denitrifying bacteria
  4. 6. Compound found in greatest abundance on Earth
  5. 7. Consume decaying and dying organisms; bacteria and fungi are examples
  6. 8. Photosynthesis is a _________ process that takes CO2 out of the atmosphere
  7. 9. Process where glucose and oxygen are converted to carbon dioxide and water
  8. 10. Consumers that eat producers
  9. 11. N2 is converted to NH3/NH4+
  10. 12. Where nitrogen-fixing bacteria live
  11. 15. Ammonium is converted to nitrites and then nitrates by nitrifying bacteria
  12. 18. Example of inorganic molecule in carbon cycle
  13. 19. Driving force of Nitrogen Cycle
  14. 21. Release of water by trees to the atmosphere
  15. 24. Water moves from bodies of water to the atmosphere
  16. 26. Product of nitrogen and carbon reacting with water vapor
  17. 27. Example of an organic molecule in carbon cycle
  18. 34. Producers that take energy directly from the sun