Biological approach

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Across
  1. 3. experimented with geese
  2. 7. used a female chimp in his study
  3. 9. a type of characteristic that his natural to someone
  4. 10. experimented with pigeons and rats
  5. 12. the branch of psychology concerned with biological aspects.
  6. 13. lorenz used these birds in his study
Down
  1. 1. American psychologist, experimented on monkeys
  2. 2. biologist, known for his contributions to the science of evolution
  3. 4. information acquired by observation or experimentation.
  4. 5. inherited characteristics
  5. 6. harlow used these mammals in his studies
  6. 8. the birds used by skinner
  7. 11. the study of living organisms,