Evolution+Adaptation

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Across
  1. 4. total number of fossils
  2. 11. Different species having the same function
  3. 12. series of small bones forming the backbone
  4. 14. limestone
  5. 15. a trace of an organism from years before
  6. 16. breeding of an organism to produce a desired trait
  7. 19. passing traits on
  8. 22. the process of living organisms developing throughout the centuries
Down
  1. 1. a person whom one is descended from
  2. 2. a difference within species
  3. 3. an organ or bone that appears in different animal
  4. 5. an organism that lost most of its function
  5. 6. Science of evolution
  6. 7. individuals are different over space
  7. 8. Organisms better adapted to environment
  8. 9. the stock of different genes
  9. 10. study of similiarties and differences of the anatomy
  10. 13. disappearance of a species
  11. 17. the action or process of being adapting
  12. 18. developed theory of evolution
  13. 20. a similar group of organisms
  14. 21. genetic fingerprinting