Evolution and Natural Selection

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Across
  1. 2. discovered the theory of natural selection
  2. 4. selection caused by humans
  3. 8. the process where a specific trait increases the organisms chance to survive
  4. 9. the islands that Darwin made his discoveries
  5. 12. the disappearance of a species from Earth
  6. 13. a heritable trait that increases fitness
  7. 14. change over time
Down
  1. 1. discovered the basics of heredity
  2. 3. biological evolution that happens by chance
  3. 5. the process when new species are generated.
  4. 6. a sequence of DNA that codes for a trait
  5. 7. the ship Darwin sailed on to get to the Galapagos.
  6. 10. changes in DNA
  7. 11. how reproductively successful an organism is