Different Ologies (part 1)

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Across
  1. 2. study of blood
  2. 5. hereditary & inherited traits from generations
  3. 7. studies climates
  4. 9. everything about plants
  5. 10. volcanoes and related phenomena
  6. 12. all types of life and everything about them
  7. 13. insects
  8. 14. parasitic lifeforms
  9. 15. water on earth
Down
  1. 1. Immune system and it's invading pathogens
  2. 3. deals with 8 legged animals
  3. 4. microscopic lifeforms
  4. 6. all aspects of diseases and death
  5. 8. moons, stars, and other space objects
  6. 11. all mammals