Across
- 4. — Father of Biology
- 5. — Science of classification of organisms
- 7. — Study of relationship between organisms and environment
- 8. — Study of gross structure of organs
- 9. — Study of birds
- 12. — Father of Botany
- 15. — Study of bacteria
- 16. — Study of functions and activities of organisms
- 18. — Science of heredity and transmission of characteristics
- 19. — Study of fungi
- 20. — Study of animals
Down
- 1. — Study of plants
- 2. — Study of insects
- 3. — Study of viruses
- 6. — Study of living organisms
- 10. — Study of fishes
- 11. — Study of embryo development
- 13. — Father of Medicine
- 14. — Study of tissues
- 17. — Study of cells