Evolution

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Across
  1. 4. a trait that helps an organism survive better
  2. 6. a group of organisms that can mate and produce fertile offspring
  3. 7. the molecule that codes for traits
  4. 9. a characteristic like eye color or fur type
  5. 11. anatomy that have the same structures but for different functions
Down
  1. 1. theory that whoever has the best traits will survive and reproduce the most
  2. 2. a random change in DNA that can lead to an adaptation
  3. 3. evolution supports the theory that all living things have 1 common ______
  4. 5. the study of embryos (shows common ancestry)
  5. 8. a change over time to a population's genetics
  6. 10. preserved bones of ancient organisms