Across
- 4. Study of mammals
- 5. Study of fossilized plants and animals remains to gain clues about Earth's past
- 12. Study of the eye and eye diseases
- 13. Study of the origin, history, and structure of Earth
- 14. Study of fungi and yeasts
- 15. Study of fish
Down
- 1. Study of worms, particularly parasite forms such as tapeworms
- 2. The study of all types of animals and everything about them
- 3. Study of the nature, formation, and movement of glaciers
- 6. The study of fresh water systems, such as lakes, ponds, and rivers
- 7. Structure and function of living things, such as cells, tissues, organs, and organ systems
- 8. Study of nerves; also a branch of medicine dealing with diseases of the nervous system
- 9. Study of viruses and viral diseases
- 10. Study of earthquakes and seismic waves
- 11. The study of living things and everything about it