April 24, 2016
biosphere (noun)
\BYE-uh-sfeer\ Hear it!
What does it mean?
: the part of the world in which life can exist
How do you use it?
Students will be studying different parts of the terrestrial biosphere including deserts, tundras, wetlands, grasslands, tropical rainforests, deciduous forests, and coniferous forests.
Are you a word wiz?

"Biosphere" resulted from combining the word "sphere," which can be used to refer to a globe-shaped body as well as a model of the earth, and the combining form "bio-." What do you think the "bio-" in "biosphere" means?

The "bio-" in "biosphere" means "life" or "living organisms or tissue." This combining form, which is sometimes in the form "bi-," can also mean "biographical." Between these two meanings "bi-" or "bio-" plays a part in a number of words including "biology" and "biography." "Sphere" plays a part in words like "atmosphere" and "hemisphere."
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