Study guide

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Across
  1. 2. Affecting the structure of something
  2. 7. The study of behavior
  3. 9. Many different types of the same thing
  4. 10. The passing on of physical or mental characteristics
  5. 11. adjustment to a certain environment
Down
  1. 1. most fit to survive and most likely to pass on good traits
  2. 3. Change in DNA sequence of an organism
  3. 4. Changing in mostly positive way’s through generations
  4. 5. English naturalist, geologist, and biologist
  5. 6. Genes past down from parents to kids
  6. 8. Continuing to live; keep living