Biological Approach Terms

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Across
  1. 3. A neurotransmitter thought to be involved in OCD and depression
  2. 7. The actual makeup of someone's genes
  3. 9. Term for identical twins
Down
  1. 1. Behaviour is influenced by innate, biological factors
  2. 2. Physical structure of the brain
  3. 4. Behaviour is influenced by environmental factors
  4. 5. Term for non-identical twins
  5. 6. The way genes interact with the environment
  6. 8. A neurotransmitter thought to be involved in addiction