What is the term used to describe the sum total of biotic and abiotic factors in the environment of the organism?

The term used to describe the sum total of biotic and abiotic factors in the environment of the organism is "ecosystem". An ecosystem consists of all the living organisms in a particular area, along with their physical environment, including water, air, soil, and other non-living factors. The ecosystem is a dynamic system in which living organisms interact with each other and their environment. It involves the flow of energy and matter, and the cycling of nutrients among the living and non-living components of the ecosystem.