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The Earth’s Biosphere
JUST THE FACTS
Tags: Earth Science, Earth's Biosphere, Earth
The following is a concise list relating to the key elements of the Earth’s biosphere.
| | The planet's life forms are sometimes said to form a "biosphere". |
| | This biosphere is generally believed to have begun evolving about 3.5 billion (3.5×109) years ago. |
| | Earth is the only place in the universe where life is absolutely known to exist, and some scientists believe that biospheres might be rare. |
| | The biosphere is divided into a number of biomes, inhabited by broadly similar flora and fauna. |
| | On land, biomes are separated primarily by latitude. |
| | Terrestrial biomes lying within the Arctic and Antarctic Circles are relatively barren of plant and animal life, while most of the more populous biomes lie near the Equator. |
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Angie
Source:
Wikipedia – All text in this list shared under the GNU License
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