LIFE SCIENCE

Detailed explanation-1: -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.

Detailed explanation-2: -The biosphere (from Greek bíos “life” and sphaira “sphere"), also known as the ecosphere (from Greek oîkos “environment” and ), is the worldwide sum of all ecosystems. It can also be termed the zone of life on Earth.

Detailed explanation-3: -The portions or regions where organisms are found are collectively called the biosphere. Thus, it can also be said that the biosphere is the sum of all the ecosystems on Earth. The word biosphere came from the Greek “bios” that refers to “Life” and “sphaira” that refers to the Earth’s shape.