An ecosystem is the complex interactions of a community of species and their non-living environment.
A community is made up of the several populations of different species living in a shared geographical area. It is made up with all the organisms in a definite geographical space. A forest community includes only the living things while the forest ecology includes the non-living minerals, water, climate, time, topography etc. as factors.
An ecosystem is an organization that includes all living organisms (biotic components) in an area as well as its physical environment (abiotic components), functioning together as a unit.
A community of biotic (living things) and abiotic (no living) factors in one place