This document lists and provides brief descriptions of the main branches of biology:
Anatomy, which is the study of the structure of living things; Bacteriology, the study of bacteria; Botany, the study of plants; Embryology, the study of development of embryos; Entomology, the study of insects; Mycology, the study of fungi; Microbiology, the study of microorganisms; Ornithology, the study of birds; Virology, the study of viruses; Zoology, the study of animals. The document provides links to additional information about each branch of biology.