Evolution- Jacob Barton

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Across
  1. 4. Physical characteristics that is not inherited
  2. 5. Scientist that came up with the theory that the earth is 300 million years old
  3. 8. The author of the Origin of Species
  4. 10. Selective reproductive changes to improve an organism
  5. 11. How cells have become more complex by evolution
  6. 12. Body parts from 2 species that are similar because of common ancestor
  7. 14. Repeated evolution of similar traits in multiple lineages
  8. 15. Species that descent into two or more species
  9. 16. Changing in a species by natural selection
  10. 17. Studied the origin of life by chemical matter
  11. 19. The study of developing embryos
  12. 20. Change in the gene pool caused by chance
Down
  1. 1. Synthesis of substances by living organism
  2. 2. Organ that is different to ancestors
  3. 3. Animal or plant that has become fitted for the environment
  4. 6. Organisms arise from nonliving matter
  5. 7. Evolution resulting in a new species
  6. 9. Remains of an animal in the past era
  7. 13. Made the Germ Theory of Disease helping stop the spread of disease
  8. 18. Scientist that study fossils