-ology

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Across
  1. 2. the science of mental life
  2. 5. the science that studies living organisms
  3. 6. the branch of biology that studies animals
  4. 8. the social science that studies the origins and social relationships of human beings
  5. 9. a science that deals with the history of the earth as recorded in rocks
  6. 10. the study of handwriting (especially as an indicator of the writer's character or disposition)
Down
  1. 1. the study and classification of human societies
  2. 3. the branch of medicine dealing with the heart and its diseases
  3. 4. the branch of medicine dealing with the skin and its diseases
  4. 7. the branch of biology concerned with the relations between organisms and their environment