The top portion
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∙ 13y agoThe portion of earth in which all life exists is known as the biosphere. Bio means life and sphere because the earth is a sphere.
The combined portions of Earth in which all living things exist is called the biosphere. Bio means life and sphere is because the earth is a sphere.
the biosphere
The Biosphere
Biosphere. :) Hello! :>
biosphere
biosphere
It is actually called the biosphere it is the part of the earth that can support life. That is why Earth is different than other planets, it's because we have a biosphere.
The portion of earth in which all life exists is known as the biosphere. Bio means life and sphere because the earth is a sphere.
Biosphere
Biosphere
Biosphere 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.
The Troposphere. It is the closeset Atmospheric layer to the eath, and, sense the Biosphere is the earth, your question has been answered M. West
1. atmosphere (air)- the layer of gases that surrounds the earth. 2. lithosphere (earth)-a. the solid portion of the earth b. the crust and upper mantle of the earth 3. hydrosphere (water)- the water on or surrounding the surface of the globe, including the water of the oceans and the water in the atmosphere
The Biosphere.
Earth is home to trillions of organisms. Together , the parts of the lithosphere , hydrosphere , and atmosphere where life exist make up the BIOSPHERE
As the biosphere is contained entirely within the troposphere (lowest layer of the atmosphere), an astronaut in orbit is far over 100 miles above the highest portion of the biosphere.