The Stone Age

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Across
  1. 3. the historical period characterized by the production of tools from stone and other non-metallic substances
  2. 5. man who stands upright
  3. 7. people who move from place to place in search of food
  4. 8. to adjust or change to suit conditions
  5. 9. before the birth of Christ
  6. 11. the old stone age
  7. 13. the new stone age
Down
  1. 1. to tame animals for human use, such as work, as food or pets
  2. 2. man who is wise
  3. 4. members of a nomadic group whose food supply depends on hunting animals and collecting plant food
  4. 6. the middle stone age
  5. 10. a curved tool with a sharp edge used for cutting plants
  6. 12. after the birth of Christ