Early Man Crossword

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Across
  1. 3. To move from place to place in search of food; to move to a different location
  2. 4. Another word for farming
  3. 7. People who hunt animals and gather wild plants, seeds, fruits, and nuts to survive
  4. 8. A person who moves from place to place in search of food and shelter
Down
  1. 1. A strip of land connecting Asia and North America
  2. 2. The process of changing plants or animals to make them more useful to humans
  3. 5. A time period when hunter-gathers existed
  4. 6. To change in response to environmental conditions in order to survive