Soil and Vegetation

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Across
  1. 2. ____ is the top layer of soil above subsoil and parent material
  2. 3. Dark oils as a result of bacteria decomposing
  3. 6. Permanently frozen ground that does not completely thaw in summer
  4. 9. The zone with mountains and valleys. Complex due to elevation and temperature differences
  5. 10. When minerals are removed from soil. Sometimes from over use or water movement
  6. 12. Plants need _____ around the roots
  7. 13. A pollinator responsible for a large portion of our food supply!
  8. 14. Soil has ___ main points
Down
  1. 1. _____ dissolves nutrients in the soil
  2. 4. When bedrock is broken down due to wind/rain/glaciers etc.
  3. 5. The gradual change between vegetation is the _____ zone
  4. 7. The farthest north vegetation zone. Above treeline.
  5. 8. Trees that shed their leaves in the fall
  6. 9. Trees with cones and needles
  7. 11. Canada has ____ natural vegetation zones