noun

biosphere

BEYE-oh-sfeer

noun

The zone of the Earth's surface, water, and atmosphere where life exists.

"Human activity has put growing pressure on the biosphere."

"Scientists study how the biosphere responds to climate change."

How to Use Biosphere

Learner’s notes

In plain EnglishAll the parts of the planet — land, sea, and air — where living things can survive.

biospheres plural

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Human activity has put growing pressure on the _____.

From Greek bios ("life") and sphaira ("sphere"), coined in the late 19th century.

ere here were mere Pere dere Vere Gere there where Frere Shere