EVOLUTION

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Across
  1. 3. Survival of the fittest
  2. 4. Body parts that seem similar at first glance but really aren't
  3. 5. A skeleton or living thing preserved in or stuck in rock
  4. 7. A string of genetics
  5. 10. The adaptation of species
  6. 11. Body parts that are similar in structure and also from a common ancestor
  7. 13. your hypothesis is your _____
  8. 14. 4.5 billion years ago
  9. 15. the distribution of species on earth
Down
  1. 1. a change in DNA
  2. 2. The choice of sexual partner based on looks
  3. 6. The idea that a species is separated from each other will develop to fill different local niches
  4. 8. the identification and description of the structures of living things
  5. 9. A catastrophic event that kills a large portion of a population randomly
  6. 12. the role or job an animal does in an environment