Question

What is biosphere????

Answer 1

The biosphere, (from Greek bios = life, sphaira, sphere) is the layer of the planet Earth where life exists. ... The biosphere is one of the four layers that surround the Earth along with the lithosphere (rock), hydrosphere (water) and atmosphere (air) and it is the sum of all the ecosystems.

Answer 2

The biosphere is any livable space on Earth.

So any space on Earth that can support

life is considered part of the biosphere.

For example, humans are part of the

biosphere since we are living on the Earth.