Evolution Lizbeth Aceves Pd.3

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Across
  1. 8. Principle that states that living species are descended from ancient ones; descent with
  2. 10. When one species evolves into many; adaptive
  3. 11. When two unrelated organisms look alike(sharks & dolphins)
  4. 13. The name of the ship that Darwin traveled on
  5. 15. Required for new species to from
  6. 16. When two species evolve together
  7. 17. Natural selection is also know as the survival of the
  8. 19. When organisms disappear from the earth
  9. 21. Well-supported testable explanation
  10. 22. Pattern of evolution where a species is stable for a long time then rapidly changes; equilibrium
  11. 23. Preserved remains of ancient organisms
Down
  1. 1. Structures that are similar
  2. 2. The name of Darwin's book; the of species
  3. 3. Structures that have no current function
  4. 4. The study of the earth
  5. 5. Change over time
  6. 6. Island the Darwin visited
  7. 7. Formation of new species
  8. 9. Proposed the theory of evolution by natural selection
  9. 12. A characteristic that helps evolves into many; adaptive
  10. 14. Had different shaped beaks depending on the island they were from
  11. 18. Process by which evolution occurs; natural
  12. 20. Refers to the variety of livings things