Nature crossword puzzle

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Across
  1. 3. l that lives on the earth
  2. 4. to help someone
  3. 5. a animal that is very big on earth
  4. 7. to not let some one be hurting
  5. 8. a place for a animal
  6. 10. not been killed
Down
  1. 1. a grass eater
  2. 2. not homemade stuff
  3. 6. grass eater
  4. 9. movement