Ecosphere

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Ecosphere has several different meanings:

  • In ecology the term ecosphere can refer to the Earth's spheres, a planetary ecosystem consisting of the atmosphere, the geosphere (lithosphere), the hydrosphere, and the biosphere.
  • In astronomy an ecosphere is an imaginary shell of space surrounding stars where conditions are such that life might survive. See habitable zone.
  • Ecosphere (aquarium) is a water filled sealed glass ball containing living algae and shrimp in a stable miniature ecosystem.