Biogeochemical cycles

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Across
  1. 3. these are types of plants that have root nodules on them
  2. 5. some plant roots have ________ that house nitrogen fixing bacteria
  3. 7. important for making proteins and nucleic acids (dna rna)
  4. 10. fungi and ______ are decomposers that contribute to carbon nitrogen and phosphorus cycles
  5. 13. This is how we get extra phosphorus for farming
  6. 16. fuels full of carbon in the ground
  7. 17. the process where extra phosphates and excess nitrogen can lead to large algae blooms in lakes and streams
  8. 18. nitrogen gas is turned into ammonium by BACTERIA in the soil and in nodules
  9. 21. water released by plant leaves
  10. 22. when gas turns to liquid
  11. 23. Is the process of buring fossil fuels for energy
  12. 24. __________ eat thier nitrogen, phosphorus, carbon and water
Down
  1. 1. examples include soy beans, peas, alfalfa, clover and peanuts
  2. 2. matter can not be created or destroyed. it can be ________
  3. 4. water falling from the sky
  4. 6. nitrogen and phosphorus are both produced for ______ by humans
  5. 8. important as a solvent for dissolving substances in living things
  6. 9. there is no atmospheric component to this cycle
  7. 11. Nitrogen can be produced in
  8. 12. the uptake of nitrates from the soil by plant roots
  9. 14. this is how phosphorus is released from rocks
  10. 15. When liquid water turns to gas
  11. 19. important for making cell membranes
  12. 20. most our fresh water is found in glaciers and _____