Biology - the science of life. Biology studies the laws of life, its origin, evolutionary development, as well as fossil forms (paleontology, paleobiology); molecular basis of life and structure of organisms (molecular biology, Cytology, anatomy and morphology); animal (Zoology); plants (botany); microorganisms (Microbiology)and viruses (Virology). Large sections of biology are physiology, embryology, genetics, and ecology, which studies the relationship holistic organisms with the environment. A separate discipline - see the article by name disciplines (for example, Botany, Zoology and other).