Biogeochemical Cycles

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Across
  1. 5. Large organic molecules containing nitrogen that contain your genetic information
  2. 7. Occurs when fertilizer runoff causes excess algae and water weeds
  3. 8. Process where water "evaporates" from plants
  4. 9. What "powers" the water cycle?
  5. 12. Process by which organisms take in oxygen and release it as carbon dioxide
  6. 14. Prokaryotes responsible for "fixing" nitrogen
  7. 15. A major part of the process of the phosphorus cycle is rock ___.
  8. 16. Makes a great impact on the carbon cycle when burned
Down
  1. 1. Our atmosphere contains 78% free ___.
  2. 2. Animals get nitrogen into their systems by eating ___.
  3. 3. Process by which water changes from liquid to gas
  4. 4. The movement of rain into the ground through rock and soil
  5. 6. What molecule is produced when nitrogen is fixed?
  6. 10. Animals need nitrogen to produce ___.
  7. 11. Oxygen flows into the atmosphere as a byproduct of _________.
  8. 13. Rain, snow, sleet, or hail