Biosphere - Biosphere
Biosphere (1) Add new question
Question
Q: what is biosphere of the earth?
| Option | Answer | Is Correct |
|---|---|---|
| 1 | 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 years ago. Earth is the only place in the universe where life is known to exist. Some scientists believe that Earth-like biospheres might be rare. The biosphere is divided into a number of bio-mes, inhabited by broadly similar plants and animals. On land primarily latitude and height above the sea level separates bio-mes. Terrestrial boniness lying within the Arctic. Antarctic Circle or in high altitudes are relatively barren of plain and animal life, while the greatest latitudinal diversity of species is found at the Equator. |
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