Ologies 2

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Across
  1. 3. the study of freshwater systems
  2. 4. study of the geologic features of the ocean floor
  3. 7. study of heredity
  4. 8. study of epidemics and other diseases
  5. 10. study of ocean life
  6. 13. study of blood and blood diseases
  7. 15. study of water on earth
Down
  1. 1. study of the movement of glaciers
  2. 2. study of animals without a backbone
  3. 5. Study of fish
  4. 6. study of reptiles and amphibians
  5. 9. study of the immune system
  6. 11. science dealing with the atmosphere
  7. 12. study of tapeworms
  8. 14. study of mammals