our planet

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Across
  1. 6. living things that interact with each other
  2. 8. creatures that drink milk from the mother
  3. 12. process when the earth gets worn out
  4. 14. small animals that have six legs
  5. 15. permanent removal of trees in the forest
Down
  1. 1. land with a lot of water
  2. 2. plants in a region
  3. 3. land covered with trees
  4. 4. desolate land with sand
  5. 5. harvest from a region
  6. 7. at risk of extinction
  7. 9. preservation
  8. 10. animals in a region
  9. 11. gases surrounding the earth
  10. 13. mushrooms