Ologies

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Across
  1. 7. study of geologic features of the ocean floor, including plate tectonics of the ocean
  2. 11. the study of freshwater systems such as lakes, ponds, and rivers
  3. 13. science, dealing with the atmosphere and weather
  4. 14. study of life in the ocean
  5. 15. study of worms, particular parasites forms such as tapeworms
Down
  1. 1. study of fish
  2. 2. study of the incidents distribution and possible control of epidemics and other diseases
  3. 3. zoology study of animals without a backbone
  4. 4. study of reptiles and amphibians
  5. 5. study of water on earth
  6. 6. study of the immune system and its responses to invading pathogens
  7. 8. study of the nature formation and the movement of glaciers
  8. 9. study of mammals
  9. 10. study of heredity and in hereditary traits passed down from generation to generation
  10. 12. study of the blood and blood diseases