Does the Word Biosphere Mean?

1 : the part of the world in which life can exist. 2 : living organisms together with their environment.

What does biosphere mean?

The biosphere is made up of the parts of Earth where life exists. The biosphere extends from the deepest root systems of trees, to the dark environment of ocean trenches, to lush rain forests and high mountaintops. ... Since life exists on the ground, in the air, and in the water, the biosphere overlaps all these spheres.

What does biosphere literally mean?

A biosphere is a place where organisms live. ... From the Greek bios, "life," and sphaira, "sphere," biosphere came into English use in the 19th century. It means the life that occurs within a certain sphere or region around a planet.