The Stone Age

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Across
  1. 4. changing plants or animals to make them more helpful to humans
  2. 6. First part of the Stone Age when people first started using stone tools
  3. 11. an early ancestor of humans
  4. 12. the time before writing
Down
  1. 1. people who hunted animals and collected seeds, fruits, plants, and nuts to survive
  2. 2. huge stone monument
  3. 3. the new stone age when people learned to make fire tools (saws, drills)
  4. 5. to move to a new place
  5. 7. a strip of land connecting two continets
  6. 8. middle part of the Stone Age when they made more complexed and smaller tools
  7. 9. a relative who lived in the past
  8. 10. long periods of freezing weather