Biogeochemical Nutrient Cycle Crossword Puzzle

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Across
  1. 1. Phosphorus is often found in high amounts here in the water.
  2. 4. Like bacteria under ground, this natural phenomena can also fix nitrogen.
  3. 5. Carbon from million year old forests is mined from deep in the earth in this form.
  4. 7. A nutrient that is found in rocks and sediment and is needed to make cell membranes, energy, and nucleic acids.
  5. 10. The ocean absorbs carbon dioxide from the ___________.
  6. 11. A microorganism that is able to "fix" nitrogen.
  7. 16. A ____________ nutrient is one that moves scarcely or cycle slowly through an ecosystem.
  8. 18. The process in which cooler temperatures allow clouds to let go of condensed water vapor.
  9. 20. Where the energy that powers the water cycle is sourced.
  10. 21. A nutrient that plants need found in the atmosphere in a form not usable.
  11. 22. A type of crop that can keep farms from allowing runoff during big rains or snows.
  12. 23. These nitrogen compounds can dissolve in water vapor in the atmosphere and fall to the ground in rain.
  13. 24. What bacteria do to nitrogen gas (N2) to make it accessible to plants as a nutrient.
  14. 25. This is a way to describe all the carbon that is put forth into the atmosphere by an individual, group, or country.
  15. 26. A part of the water cycle when condensation occurs.
  16. 27. The process of water vapor changing into liquid water.
Down
  1. 2. When bodies of water are depleted of oxygen.
  2. 3. This bean bearing plant has a symbiotic relationship with bacteria.
  3. 6. A form of nitrogen that plants can use as a nutrient.
  4. 8. How plants convert sunlight to sugar.
  5. 9. A manufactured substance used to add nutrients to soil when there is not enough naturally.
  6. 12. Too much phosphorus in a waterway can cause this.
  7. 13. Too much nitrogen or phosphorus can contribute to a concept known as nutrient __________.
  8. 14. Species of bacteria can change nutrient rich nitrogen compounds back into gas in this process.
  9. 15. Evaporation of water from the leaves of plants.
  10. 17. Animals breathe in oxygen and exhale carbon dioxide byway of this process?
  11. 19. When nutrients get moved by water from hillside farms.
  12. 28. Roots of leguminous plants have ___________ that contain rhizobium for nitrogen fixation.