Across
- 3. Study of how chemicals within living organisms affect living cells
- 5. Study of heredity
- 9. The study of the internal structures of living things
- 11. The study of the relationships of living things to each other and to the environment
- 13. Study of diseases
- 15. The study of the immune system and how it works
- 16. Study of the normal functions of living things
- 17. Study of bacteria
- 19. The use of chemistry in the study of living things
- 20. biology Study of ocean ecosystems
- 21. Study of plant life
- 22. Study of glands and hormones
- 23. Study of animals
Down
- 1. Study of the formation and development of living things from fertilization to birth
- 2. is the study of viruses
- 4. Study of tissues
- 6. Study of the classification and naming of living things
- 7. Study of blood and blood-forming organs.
- 8. The study of fungi
- 10. Study of insects.
- 12. The study of animals
- 14. Study of microorganisms
- 18. Study of the health of populations
