Evolution

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Across
  1. 4. experiment with flies and maggots
  2. 8. divergent evolution
  3. 10. the atmosphere is composed of these
Down
  1. 1. living organisms produce other living organisms
  2. 2. wrote the orgin of species
  3. 3. one organism lives inside the other
  4. 5. believed organisms were the same since creation
  5. 6. building blocks of protein
  6. 7. 2 species evolve in response to changes in each other
  7. 9. first cells on earth