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biosphere
[bahy-uh-sfeer]
noun
the part of the earth's crust, waters, and atmosphere that supports life.
the ecosystem comprising the entire earth and the living organisms that inhabit it.
biosphere
/ ˈbaɪəˌsfɪə /
noun
the part of the earth's surface and atmosphere inhabited by living things
biosphere
The parts of the land, sea, and atmosphere in which organisms are able to live. The biosphere is an irregularly shaped, relatively thin zone in which life is concentrated on or near the Earth's surface and throughout its waters.
All the Earth's ecosystems considered as a single, self-sustaining unit.
biosphere
The thin outer shell of the Earth and the inner layers of its atmosphere; the place where all living systems are found.
Other Word Forms
- biospheric adjective
Word History and Origins
Origin of biosphere1
Synonym Study
Example Sentences
"By understanding the limits that apply to all living systems, we can better predict how cells, ecosystems, and even entire biospheres respond to changing environments."
By demonstrating how urea could form naturally under Archean conditions and showing that it acts as both a nutrient and an inhibitor, the researchers revealed how subtle chemical balances shaped Earth's early biosphere.
A planet with ten percent carbon dioxide -- if located farther from its sun or orbiting a dimmer, younger star -- could support a biosphere for up to 4.2 billion years.
As well as the music, climate activist Greta Thunberg also made a surprise appearance, telling festival goers the earth's biosphere is "not just changing, it is breaking down".
Various forms of evidence suggest that the biosphere was more productive during the Miocene compared to now, and that at higher latitudes, this effect was more pronounced.
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