The Theory of Evolution

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Across
  1. 3. The study of fossils.
  2. 4. A mutation that reduces reproductive success.
  3. 6. Selection that occurs in nature.
  4. 8. A mutation that does not result in selective advantage.
  5. 9. A mutation that increases reproductive success.
  6. 11. Structure with a similar function.
Down
  1. 1. Study of geographic distribution of organisms.
  2. 2. The idea that species cannot change.
  3. 5. Ancient remains.
  4. 7. Rudimentary and non functioning.
  5. 10. Structure with a common evolutionary origin.
  6. 12. Selection used in domestication.