APES Unit 1 Vocab Crossword

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Across
  1. 1. A lake with high levels of productivity
  2. 3. Usable form of Nitrogen for organisms
  3. 5. Location of the largest old growth forest
  4. 8. Uses O2 to break down glucose and releases CO2 into the atmosphere; carbon source
  5. 10. Reef Most diverse marine biome
  6. 12. Water percolates the soil and dissolves some of the nutrients
  7. 13. Uses fossil fuels as an energy source and releases CO2 into the atmosphere; carbon source
  8. 14. Soil bacteria, microbes and decomposers convert waste and dead biomass back into NH3 and return it to the soil
  9. 18. Process plants use to draw water from the ground and release it into the atmosphere
  10. 19. Insoluble phosphorous forms solids and sinks to the bottom
  11. 20. Impermeable, permanently frozen ground
Down
  1. 2. Broad leaf shrubs prone to fire
  2. 4. If the ground is not packed, water will sink in
  3. 6. Conversion of NH4 to nitrite and then into nitrate by soil bacteria
  4. 7. Breakdown/recycling of nutrients back into soil
  5. 9. It's energy drives the water cycle
  6. 11. Removes CO2 from the atmosphere and converts it to glucose; carbon sink
  7. 15. Plant roots and animals take up Nitrogen and incorporate it into their bodies
  8. 16. Conversion of soil Nitrogen nitrate into nitrous oxide gas, which returns to the atmosphere
  9. 17. Treeless, cold biome with 4 month growing season