1. Anatomy The study of the structure of an organism or its elements; human anatomy refers to the study of the human body. The study of the structure of an organism or its elements; human anatomy refers to the study of the human body.

2. Anthropology The scientific study of humankind from its beginnings to the present. The scientific study of humankind from its beginnings to the present.

3. Bacteriology The study of bacteria, especially in relation to medicine and agriculture The study of bacteria, especially in relation to medicine and agriculture

4. Biochemistry The study of the chemistry of living organisms, especially the structure and function of their chemical components. The study of the chemistry of living organisms, especially the structure and function of their chemical components.

5. Botany Biological science of plants Biological science of plants Flora - plant life; especially : such life characteristic of a region, period, or special environment (Flowers/Plants)

6. Cytology The study of cells and how they function The study of cells and how they function

7. Ecology Scientific study of the relationships among organisms, and between organisms and the living and non-living aspects of their environment. Scientific study of the relationships among organisms, and between organisms and the living and non-living aspects of their environment.

8. Embryology The study of the formation and development of embryos. The study of the formation and development of embryos.

9. Entomology The scientific study of insects. The scientific study of insects.

10. Ethology The scientific study of animal behavior. The scientific study of animal behavior. Bear hibernating Geese migrating

11. Genetics The study of genes and heredity and variations among individuals. The study of genes and heredity and variations among individuals.

12. Herpetology Study of reptiles and amphibians Study of reptiles and amphibians

13. Horticulture The science and art of cultivating fruits, vegetables, flowers and such. The science and art of cultivating fruits, vegetables, flowers and such.

14. Ichthyology The scientific study of fish The scientific study of fish

15. Immunology The study of the body’s immune system and its functions and disorders. The study of the body’s immune system and its functions and disorders.

16. Microbiology The scientific study of microorganisms. The scientific study of microorganisms.

17. Paleontology The study of the forms of life that existed in former geologic periods, chiefly by studying fossils. The study of the forms of life that existed in former geologic periods, chiefly by studying fossils.

18. Physiology The study of the functions of the living organism and its parts. The study of the functions of the living organism and its parts.

19. Taxonomy A branch of science dealing with the classifications of organisms. A branch of science dealing with the classifications of organisms.

20. Virology The study of viruses and diseases caused by viruses. The study of viruses and diseases caused by viruses.

21. Zoology The study of animals. The study of animals. Fauna animal life; especially : the animals characteristic of a region, period, or special environment (“fawn” as in deer/animal) Fauna animal life; especially : the animals characteristic of a region, period, or special environment (“fawn” as in deer/animal)