Answer:
Ecology.
Explanation:
All the living organisms that inhabit an enviorment. An individual living thing that is made of cells, uses energy, reproduces, responds, grows, and develops. Ecology is the study of how organisms interact with one another and with their physical environment.
It can also be defined as a dynamic entity of community of living organisms with the non-living components of their environment, interacting as a system, where these components linked together through nutrient cycles and energy flows.