Across
- 2. Study of animals without a backbone
- 5. Study of microscopic life forms
- 6. Study of all types of animals
- 7. Study of the structure and function of living things
- 12. Study of freshwater systems
- 13. Study of worms
- 14. Study of animals with a backbone
- 15. Study of fish
Down
- 1. Study of life in the ocean
- 3. Study of reptiles and amphibians
- 4. Study of ticks,mites,and spiders
- 8. Study of mammals
- 9. Study of living things
- 10. Study of insects
- 11. Study of cell biology,cell anatomy,and physiology