Across
- 2. phosphorus prefers to travel via______
- 4. human sources of nitrogen fixation are now ___% higher than natural sources!
- 7. cycle that begins in rocks
- 10. Carbon has 2 stable ones (12 and 13)
- 12. plant food
- 13. does this when turning to ice
- 14. an organism's categorization level by feeding status
- 15. plant waste
- 16. positive on one side and negative on the other provides dissolving power.
- 17. "fixing" bacteria
Down
- 1. describes the conservation and degradation of energy
- 3. water has a high heat of ________________ when going from liquid to vapor.
- 5. human alteration of nitrogen cycle
- 6. burning of these contributes largely to imbalances in sulfur,carbon and Nitrogen cycles
- 8. make their own carbs
- 9. used to build amino acids
- 11. water property that holds it together
- 12. this cycle begins with photosynthetic organisms taking in CO2