Biosphere
(noun)
The region of the earth's surface and atmosphere where living organisms exist.
Origin:
Late 19th century. coined by austrian geographer eduard suess, derived from greek 'bios' meaning 'life' and 'sphaira' meaning 'sphere'.
Examples:
- The Biosphere Reserve is a place where people live, work and preserve their cultural heritage.
- The Biosphere is threatened by human activities such as pollution and deforestation.
- The Biosphere includes all ecosystems, from the depths of the ocean to the highest mountain peaks.
- The Biosphere is essential for the maintenance of life on earth.
- Biosphere is the only known place in the universe to support life.