Question

The portion of the earth occupied by the various forms of life is called

Answer 1

It is called biosphere.

Answer 2

Earth Spheres. Everything in Earth'ssystem can be placed into one of four major subsystems: land, water, livingthings, or air. These four subsystems are called “spheres.” Specifically, they are the lithosphere (land), hydrosphere (water), biosphere (living things), and atmosphere (air).