Natural Resources

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Across
  1. 2. Organisms that feed on other organisms for energy are
  2. 5. Breaking down dead bodies is a job for
  3. 7. The uppermost layer of soil where most plants grow is
  4. 9. Nonliving factors in an ecosystem are called
  5. 10. The gradual washing or blowing away of soil is
  6. 11. Substances washing off the surface into water sources are called
  7. 13. What obtains energy by feeding on dead bodies
  8. 14. Good quality air that is free from ______ is important
  9. 17. Communities of interacting organisms are called
Down
  1. 1. Vehicles and industry produce gasses known as
  2. 3. Areas used to produce wood and fiber are called _____ forests
  3. 4. Preserving and protecting the natural environment is
  4. 6. Wildlife includes animals and ________ life
  5. 8. Organisms that convert light energy to food are
  6. 12. If one factor in an ecosystem is affected, then ___ are
  7. 15. Natural resources can be used by humans to fulfill a
  8. 16. Although water covers much of the earth it is not all