Across
- 3. - study of bacteria
- 4. - study of reptiles
- 6. - study of parasites
- 7. - study of birds
- 13. - study of inheritance
- 14. - study of diseases
- 15. - study of algae
- 17. - distribution of plants and animals
- 18. - study of cells
- 19. - study of tissues
- 20. - study of form and structure
- 21. - study of gross structure
Down
- 1. - study of viruses
- 2. - study of insects
- 5. - study of prehistoric life forms
- 8. - study of immunity
- 9. - science of classification
- 10. - study of metabolism of organisms
- 11. - study of fishes
- 12. - study of living organisms
- 16. study of fungi