Correct Answer: a living community and its environment.

Solution : The correct option is a living community and its environment..

An ecosystem is made up of both living things and the physical setting in which they live. These elements interact with one another through a variety of connections and procedures to form intricate and dynamic systems. A number of interrelated cycles, including the carbon, nitrogen, and water cycles, transport energy and nutrients across the environment. The ecosystem's resilience and stability are influenced by these interactions.