1. Branches of Zoology

2. The study of insects.

3. Entomology

4. The study of mammals.

5. Mammology

6. The study of parasites, which are organisms that obtain food and shelter by living on or within another organism.

7. Parasitology

8. The study of behavior.

9. Ethology

10. The study of heredity.

11. Genetics

12. The study of reptiles & amphibians.

13. Herpetology

14. The study of the ways in which animals influence the people they interact with. Focuses on how the history of civilization has adapted to the animals they share their environment with and utilize animals for food, clothing, work, worship, and companionship.

15. Ethnozoology

16. The study of primates.

17. Primatology

18. The study of body functions in animals.

19. Physiology

20. The study of humankind. It studies all facets of society and culture. It studies tools, traditions, language, beliefs, kinships, values, social institutions, & cravings for beauty and art.

21. Anthropology

22. The study of prehistoric organisms.

23. Paleontology

24. The study of still unknown species of animals. Examples include Loch Ness Monster and Sasquatch.

25. Cryptozoology

26. The naming and classifying animals

27. Taxonomy

28. The study of fish.

29. Ichthyology

30. The study of birds.

31. Ornithology

32. Studying the changes of organisms over LONG periods of time.

33. Evolution

34. The study of the formation and development of organisms.

35. Embryology

36. The study of interrelationship or organisms and their environment.

37. Ecology