i dont know

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Across
  1. 4. from whom one is descended.
  2. 6. the period of time before written records.
  3. 9. a person who hunts,fish,and harvests wild food.
  4. 10. a prehistoric period of human history.
  5. 11. a device or implant.
  6. 12. move from one area and settle in another.
  7. 13. the science of practice farming.
  8. 14. a group of people living by the same principles.
Down
  1. 1. human fossils ancestors.
  2. 2. bridge- a connection between two parts of land.
  3. 3. a large stone that forms a prehistoric moment.
  4. 5. the process of taming an animal.
  5. 7. era- period of new stone age.
  6. 8. Era- the middle stone age.
  7. 15. ages- a glacial episode of the past.