EVERYDAY SCIENCE

Detailed explanation-1: -The biosphere is the thin life-supporting stratum of Earth’s surface, extending from a few kilometres into the atmosphere to the deep-sea vents of the ocean. It is composed of living organisms and nonliving factors from which the organisms derive energy and nutrients.

Detailed explanation-2: -Although the biosphere measures about 20 kilometers (12 miles) from top to bottom, almost all life exists between about 500 meters (1, 640 feet) below the ocean’s surface to about six kilometers (3.75 miles) above sea level. The biosphere has existed for about 3.5 billion years.

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.

Detailed explanation-4: -Part of the earth which supports life where living beings exists is called biosphere. The biosphere, is the layer of the planet Earth, where life exists.

Detailed explanation-5: -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.