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