An organism that can produce organic matter through photosynthesis and use these substances to breathe on its own. Autotrophic organisms include plants, algae and some bacteria. The concept of autotrophic life is an organism that can produce organic matter through photosynthesis and use these substances to breathe. Biology refers to a living body with kinetic energy and a collection of objects, while individual biology refers to an organism, as opposed to an abiotic one.