Evolution

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Across
  1. 2. look similar but not
  2. 4. display of evolution
  3. 5. DNA in common= related
  4. 8. parts that are no longer used
  5. 10. sudden death of species
  6. 11. found in the ground
  7. 12. spread out on earth
Down
  1. 1. adapt to surroundings
  2. 3. species evolution
  3. 6. homologous structure
  4. 7. choice of mate
  5. 9. related species same embryo