Biologists - Main Biologists Biologists study living organisms such as plants and animals. Biologists study the origin of organisms. They identify and classify life processes, behavior, diseases, and structures of all life forms. Most specialize in some area of biology.
Many biologists work in research and development.
Some do basic research. They try to discover new facts about living things. Others work in applied research. They use data provided by basic research to help solve ecological problems and develop new medicines. Those who work in research usually work in laboratories.