Ologies crossword2

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Across
  1. 3. study of worms, particularly parasite forms such as tapeworms
  2. 4. Study of the geologic features of the ocean floor, including tectonics of the ocean (Two words)
  3. 7. Study of freshwater systems, such as lakes, ponds, and rivers
  4. 11. Study of reptiles and amphibians
  5. 12. study of life in the ocean (Two words)
  6. 14. Study of mammals
  7. 15. study of water on Earth
Down
  1. 1. Study of the immune system and its responses to invading pathogens
  2. 2. Study of animals without a backbone (Two words)
  3. 5. study of the blood and blood diseases
  4. 6. Science dealing with the atmosphere and weather
  5. 8. Study of heredity & inherited traits passed down from generation to generation
  6. 9. study of the incidence, distribution, and possible control of epidemics and other diseases
  7. 10. study of the nature, formation, and movement of glaciers
  8. 13. study of fish