Industries & Professions /
Biologists, also known as life scientists and biological scientists, study the origin, development, anatomy, function, distribution, and other basic principles of living organisms. They are concerned with the nature of life itself in humans, microorganisms, plants, and animals, and with the relationship of each organism to its environment. Biologists perform research in many specialties that advance the fields of medicine, agriculture, and industry. Approximately 33,100 biological scientists, 19,800 microbiologists, and 18,530 zoologists and wildlife biologists are employed in the United States.