Across
- 5. The study of freshwater systems, such as lakes, ponds, and rivers
- 9. Study of the bones and the disorders and diseases of the skeletal system
- 10. Study of all aspects of diseases & possible causes of death
- 11. Study of earthquakes and seismic waves
- 13. Study of hormones and their composition and function
- 14. Study of microscopic life forms
- 15. Study of Earth's moon and its geology
Down
- 1. Study of mammals
- 2. Study of fish
- 3. The study of living things and everything about it
- 4. Study of the nature, formation, and movement of glaciers
- 6. Study of the incidence, distribution, and possible control of epidemics and other diseases
- 7. The study of all types of animals and everything about them
- 8. Study of water on earth
- 12. Study of nerves; also a branch of medicine dealing with diseases of the nervous system