DEEP TIME HISTORY 1/2020

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Across
  1. 3. this was the first life form on earth
  2. 5. having a steady crop of food led to this
  3. 8. waste product from plants helped other forms of life succeed on Earth
  4. 9. an animal that only eats plants
  5. 11. this climate event made rainfall for farming become unreliable
  6. 12. having no rules and laws, civilization could lead to this
  7. 13. the first civilization began in this area
  8. 14. an animal that only eats other animals
Down
  1. 1. beside controlling plants for farming what other life forms were humans able to control
  2. 2. the first plant that made farming possible
  3. 4. the other main river of Mesopotamia
  4. 6. one of the two main rivers of Mesopotamia
  5. 7. this invention helped bypass rainfall as a major need for farming
  6. 10. an animal that eats both plants and animals