Which is the definition of “biotechnology”? Biotechnology is the intersection of biology and technology that uses the study of living things to create processes or systems to solve problems. Biotechnology is the study of living things, including plants, animals, and microorganisms, and how they interact together to solve ecological and survival problems. Biotechnology is the building block of life that makes all organisms what they are. Biotechnology is made up of the pieces of inherited information in DNA in humans and almost all organisms.