Evidence for Evolution

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Across
  1. 4. all organisms share a common __________.
  2. 7. a available body of facts or information indicating whether belief.
  3. 10. ____________ structures are features that are similar in function but different in structure.
  4. 12. _____________ structures are features that are similar in structure but different in function.
  5. 15. a study of the structure or internal workings of something.
  6. 17. ____________ anatomy indicates that various organisms share a common ancestor.
  7. 18. the oldest known fossil bird ______________.
  8. 19. information acquired by observation or experimentation.
  9. 20. _____________ structures are remnant of organs or structures that had a function in an early ancestor.
Down
  1. 1. a group of organisms consisting of similar individuals capable of exchanging genes.
  2. 2. provide a record of evolution.
  3. 3. relating to or consisting of molecules.
  4. 5. relating to genes or heredity.
  5. 6. ___________ shows similarities between organisms as they are developing.
  6. 8. a process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.
  7. 9. the surroundings or conditions which a person, animal, or plant live or operates.
  8. 11. Deoxyribo- Nudeic Aid.
  9. 13. ____________ distribution of species shows organisms adapt to new environment.
  10. 14. s chicken and a pig share a ________ ancestor.
  11. 16. an individual animal, plants, or single-celled life form.