Evolution

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Across
  1. 2. Remains used to compare species
  2. 5. Name of Darwin's ship
  3. 7. Humans deciding what traits are helpful
  4. 8. Inherited characteristic that helps an organism survive
  5. 10. Ability to survive and reproduce
  6. 11. A change over time in a population
  7. 12. Results from mutations and is crucial to natural selection
  8. 13. Organisms best fit survive and reproduce most successfully
  9. 14. Different form/function but comprised of the same basic bones
Down
  1. 1. Structure that is no longer needed for survival
  2. 3. Change in a DNA sequence that results in variation
  3. 4. A group of organisms that can breed and produce fertile offspring
  4. 6. Author of "On the Origin of Species"
  5. 9. Same form/function but not closely related