Chapter 2

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Across
  1. 5. enhance neurotransmitter effect
  2. 7. selection “survival of the fittest”
  3. 9. tightly coiled structure where genes are organized
  4. 10. observable physical and behavioral charact.
  5. 11. molecule that encodes genetic charact.
  6. 12. segment of a chromosome with directions for inherited physical & mental charact
Down
  1. 1. gradual biological change
  2. 2. inhibit neurotransmitter effects
  3. 3. complete set of genetic info
  4. 4. studies interaction of biology, behavior, and mental processes
  5. 5. or none principle action potential occurs completely or not at all
  6. 6. genetic makeup
  7. 8. unused neurotransmitters are drawn back into vesicles