APES Unit 1 Vocab Crossword

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