Nature & the Environment

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Across
  1. 4. The usual weather in a place
  2. 7. At risk of disappearing completely
  3. 10. Existing in nature, not made by humans
  4. 11. A large area with many trees
  5. 13. A group of similar living organisms
  6. 14. The power used to do work or heat
  7. 15. Animals living in nature, not in captivity
Down
  1. 1. When the environment becomes dirty or harmful
  2. 2. A high area of land
  3. 3. A large natural stream of water
  4. 5. The natural home of an animal or plant
  5. 6. A large body of salt water
  6. 8. A community of plants, animals, and environment
  7. 9. To protect something from harm
  8. 12. To process waste to use it again