Early people

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Across
  1. 2. the spices link to human today
  2. 6. an extinct species of human
Down
  1. 1. the remains of a prehistoric organizism.
  2. 3. a period in time where everything was frozen.
  3. 4. a member of a people having no permanent abode, and who travel from place to place to find fresh pasture for their livestock.
  4. 5. fossils use to determine how the early people lived.