"Ologies" Crosssword 2

123456789101112131415
Across
  1. 4. – Study of animals without backbones
  2. 7. – Study of the atmosphere and weather
  3. 8. – Study of inland waters like lakes, ponds, rivers, and streams
  4. 10. – Study of mammals
  5. 12. – Study of the immune system and how the body defends against disease
  6. 13. – Study of water on Earth (rivers, lakes, groundwater, etc.)
  7. 14. – Study of blood and blood disorders
  8. 15. – Study of the rocks, sediments, and structures of the ocean floor
Down
  1. 1. – Study of reptiles and amphibians
  2. 2. – Study of fish
  3. 3. – Study of ocean life and organisms that live in the sea
  4. 5. – Study of genes and heredity (how traits are passed from parents to offspring)
  5. 6. – Study of parasitic worms
  6. 9. – Study of glaciers and ice sheets
  7. 11. – Study of how diseases spread and can be controlled in populations