The biosphere is defined as the area of the planet where organisms live, including the ground and the air.
An example of the biosphere is where live occurs on, above and below the surface of Earth.
- the zone of planet earth where life naturally occurs, extending from the deep crust to the lower atmosphere
- the living organisms of the earth
Origin of biospherebio- + sphere
- The part of the earth and its atmosphere in which living organisms exist or that is capable of supporting life.
- The living organisms and their environment composing the biosphere.
bio- + -sphere