Ch.3 Nutrient Cycling

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Across
  1. 3. a natural process that removes carbon dioxide from the atmosphere
  2. 5. process that removes nitrogen compounds from the soils so they can be recycled back to the atmosphere
  3. 6. process that forms clouds from water vapor
  4. 8. the only nutrient cycle that does not involve the atmosphere
  5. 10. process in all organisms that release carbon dioxide into the atmosphere
  6. 12. (2words no space) process that converts nitrogen gas into ammonia
  7. 13. total amount of living tissue in a trophic level
Down
  1. 1. (2 words no space) Humans burn these which results in additional carbon dioxide added to the atmosphere
  2. 2. is not created or destroyed, instead is recycled through the biogeochemical cycles
  3. 4. process that pulls water back to the Earth
  4. 7. this element is needed for organisms to synthesize proteins and nucleic acids
  5. 9. this type of process/activity is represented by orange arrows in the diagrams
  6. 11. (plural) largest reservoir of water involved in the water cycle