Question

What is the biosphere?

• A. The regions of the surface and atmosphere of the earth or another planet occupied by living organisms
• B. The regions of the surface and atmosphere of the earth or another planet occupied by non-living organisms
• C. The regions of the surface and atmosphere of the earth or another planet filled with water
• D. The regions of the surface and atmosphere of the earth or another planet filled with air

Answer 1

The correct option is A The regions of the surface and atmosphere of the earth or another planet occupied by living organisms

The biosphere, also known as the ecosphere, is the worldwide sum of all ecosystems. It comprises the regions of the surface and atmosphere of the earth or another planet occupied by living organisms.