On what basis are natural regions of the world divided?

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gsenviro eNotes educator| Certified Educator

The natural regions of the world are divided on the basis of climate. The climate includes both the temperature and rainfall in a given region. These factors determine the vegetation, animals, human lifestyle and practices, etc. On the basis of climate we can divide the natural regions of the world as equatorial region, tropical grasslands or Savannah, tropical deserts, Mediterranean region, steppe lands, mid latitude grasslands, polar highlands etc. For example, equatorial regions are characterized by high temperature, high humidity and wet climate, making it suitable for vegetation growth. On the other hand, polar highlands are characterized by extremely low temperatures and heavy snowfall. Such conditions also affect the animals that live in these regions and also how human beings adapt for life in such conditions. 

Hope this helps.

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