Across
- 2. Study of the immune system.
- 3. Study of blood and blood diseases.
- 9. Study of the incidence, distribution, and possible control of epidemics and other diseases.
- 10. Science dealing with the atmosphere and weather.
- 11. Study of ocean life
- 12. Study of reptiles and amphibians
- 13. Study of fish.
- 14. Study of glaciers.
Down
- 1. Study of water on earth.
- 2. Study of animals without a backbone.
- 4. Study of mammals.
- 5. Study of heredity and inherited traits.
- 6. Study of geologic features on ocean floor.
- 7. Study of worms.
- 8. Study of freshwater systems.