Across
- 2. study of underwater geologic features
- 5. study of mammals
- 7. study of microscopic life
- 11. study of glaciers
- 12. study of the incidence
- 13. study of atmosphere and weather
- 14. study of freshwater systems
- 16. study of fish
Down
- 1. study of reptiles
- 3. study of immune system
- 4. study of worms
- 6. study of ocean life
- 8. study of animals without a backbone
- 9. study of blood
- 10. study of water
- 15. study of heredity