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