Stone age test

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Across
  1. 2. paleonthropologists
  2. 3. same
  3. 4. ancestor
  4. 6. ancestor-of
  5. 11. johanson lucy
  6. 12. useful
  7. 13. before
  8. 14. white plaeontrhropoligist
  9. 16. stone-used-for-building
  10. 17. cold-time
Down
  1. 1. help
  2. 5. to-go-to-continent-to-continent
  3. 7. paleontrhropoligists
  4. 8. time
  5. 9. hunter
  6. 10. person
  7. 15. move-because