Nutrient Cycles (Carbon/Biogeochemical)

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Across
  1. 5. the process by which cells break down glucose and oxygen to release energy, carbon dioxide, and water
  2. 6. compounds that do not contain both carbon and hydrogen
  3. 7. all living organisms on Earth and the ecosystems they inhabit
  4. 8. energy-rich substances formed from the remains of ancient organisms, such as coal, oil, and natural gas
  5. 9. nitrogen compounds (NO3-) that are absorbed by plants from the soil
  6. 13. the movement of nitrogen through the atmosphere, soil, and living organisms
  7. 16. natural earth processes that affect the cycling and storage of nutrients and elements
  8. 17. the continuous movement of carbon among the atmosphere, oceans, soil, and living organisms
  9. 19. the layer of gases surrounding Earth, a major reservoir in biogeochemical cycles
  10. 21. the release of water vapor from plant leaves into the atmosphere
  11. 23. a substance that dissolves other substances, water is a universal solvent in biological systems
  12. 25. water's resistance to temperature change helps organisms and environments maintain stability
  13. 28. the movement and exchange of organic and inorganic matter back into the production of living matter
  14. 29. non-living sources or storage areas for elements such as air, water, or rocks
  15. 30. the return of water to Earth's surface from the atmosphere in the form of rain, snow, etc.
Down
  1. 1. a gas that traps heat in the atmosphere, such as carbon dioxide
  2. 2. organisms that break down dead matter, recycling nutrients into the ecosystem
  3. 3. the process by which decomposers break down dead organisms, releasing nutrients back into the environment
  4. 4. the conversion of nitrates and nitrites back into nitrogen gas by bacteria
  5. 10. the movement of water through the biosphere, also called the water cycle
  6. 11. a close and long-term interaction between two different biological organisms, often beneficial
  7. 12. rain, snow, or other precipitation that is more acidic than normal due to air pollution
  8. 14. compounds that contain both carbon and hydrogen atoms
  9. 15. organisms, like plants, that create their own food through photosynthesis
  10. 18. the process by which certain bacteria convert nitrogen gas from the atmosphere into ammonia
  11. 20. a nitrogen-containing compound that can be used by plants, produced through nitrogen fixation
  12. 22. the process by which plants use sunlight, carbon dioxide, and water to produce glucose and oxygen
  13. 24. a rapid increase in algae population in water due to high nutrient levels
  14. 26. the excessive enrichment of water with nutrients, leading to dense plant growth and oxygen depletion
  15. 27. changes caused by human activities that alter natural biogeochemical cycles