Across
- 4. Study of fish
- 6. Study of blood and blood diseases
- 7. Study of how humans impact the earth and its resources
- 8. Study of water on earth
- 10. Study of worms, particularly parasite forms such as tape worms
- 11. Study of the incidence, distribution, and possible control of epidemics and other diseases
- 12. Study of hormones and their composition and function
Down
- 1. Study of the nature, formation, and movement of glaciers
- 2. Study of developement of living things before birth
- 3. Study of insects
- 5. Study of the immune system and its responses to invadinh pathogens
- 6. Study of reptiles and amphibians
- 9. Study of heredity and inherited traits passed down from generation to generation