The biosphere:

ends at the surface of the earth
extends miles below the surface of the earth
includes all the living organisms on the planet
all of the above

Respuesta :

The biosphere includes all the living organisms on the planet

Explanation:

  • The biosphere includes all the living organisms on the planet
  • The biosphere is a global ecological system that forms the layer of the earth where life exists.
  • The layers of earth that form the biosphere are lithosphere (rock), hydrosphere (water) and atmosphere (air)  which together known as an ecosystem.
  • Biosphere acts as a self-supporting and self-regulating system were the remaining of the dead plants and animals are released into soil and ocean thus, in turn, it is reabsorbed by plants for growing.
  • The biosphere sometimes is one large ecosystem that is comprised of a complex community of living and nonliving things functioning as a single unit.