ecosystem -
The interconnectedness of organisms plants, animals, microbes with each other and their environment.
ecosystem -
A set of interconnected products and services.
Wikipedia
An ecosystem is a biological environment consisting of all the organisms living in a particular area, as well as all the nonliving, physical components of the environment with which the organisms interact, such as air, soil, water, and sunlight. It is all the organisms in a given area, along with the nonliving (abiotic) factors with which they interact; a biological community and its physical environment. The entire array of organisms inhabiting a particular ecosystem is called a community.
OmegaWiki Dictionary
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ecosystem A community of organisms and their physical environment interacting as an ecological unit.\n(Source: LBC)