Definitions for Biosphereˈbaɪ əˌsfɪər

This page provides all possible meanings and translations of the word Biosphere

Princeton's WordNetRate this definition:(0.00 / 0 votes)

  1. biosphere(noun)

    the regions of the surface and atmosphere of the Earth (or other planet) where living organisms exist

WiktionaryRate this definition:(2.00 / 1 vote)

  1. biosphere(Noun)

    the part of the Earth and its atmosphere capable of supporting life

  2. biosphere(Noun)

    the totality of living organisms and their environment

FreebaseRate this definition:(0.00 / 0 votes)

  1. Biosphere

    The biosphere is the global sum of all ecosystems. It can also be called the zone of life on Earth, a closed, and self-regulating system. From the broadest biophysiological point of view, the biosphere is the global ecological system integrating all living beings and their relationships, including their interaction with the elements of the lithosphere, hydrosphere, and atmosphere. The biosphere is postulated to have evolved, beginning through a process of biogenesis or biopoesis, at least some 3.5 billion years ago. In a broader sense; biospheres are any closed, self-regulating systems containing ecosystems; including artificial ones such as Biosphere 2 and BIOS-3; and, potentially, ones on other planets or moons.

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