Planetary closed ecological system
Also known as echosphere
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6 identifiers linking ecosphere across the web's reference databases
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An ecosphere is a closed ecological system for a planet. In this global ecosystem, the various forms of energy and matter that constitute a given planet interact on a continual basis. The forces of the four Fundamental interactions cause the various forms of matter to settle into identifiable layers. These layers are referred to as component spheres with the type and extent of each component sphere varying significantly from one particular ecosphere to another. Component spheres that represent a significant portion of an ecosphere are referred to as primary component spheres. For instance, Earth's ecosphere consists of five primary component spheres: the Geosphere, Hydrosphere, Biosphere, Atmosphere, and Magnetosphere.