Ologies

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Across
  1. 3. study of the earth
  2. 6. the branch of science that deals with the study of viruses
  3. 8. the branch of zoology that deals with fishes
  4. 9. the scientific study of volcanoes
  5. 11. the study of ice in the environment
  6. 13. the branch of zoology concerned with mammals
  7. 14. the study of bacteria
  8. 15. the practice of medicine that relates to the endocrine system
Down
  1. 1. the study of blood and disorders
  2. 2. the scientific study of fungi
  3. 4. the branch of zoology, concerned with the study of insects
  4. 5. Scientific study of animals
  5. 7. the scientific study of the moon
  6. 10. the study of mites and ticks
  7. 12. the scientific study of genes and heredity