Branches of Biology

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