Cenozoic Era
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The Cenozoic era started 65.5 million years ago and has not ended yet. The nickname of this era is the age of mammals. This era has not ended yet.
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The climate of this era ranges widely. There has been intervals of global warming driven tectonic forces. The temperature is either extremely cold or extremely warm. The elevations of the oceans vary as well.
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The continents are close to their present day positions and will soon move to their exact locations as of today. All of the continents that we have to day are on the surface of the Earth.
In the Cenozoic era many major changes to landforms happened. On major change is when the Rocky Mountains formed. They formed 55 million years ago. They formed by having a number of plates slide under North America. Also the Himalayan Mountains formed. These are the tallest mountains in the world. The Himalayas formed 40-50 million years ago. They formed by India bumping into Asia. The last major event that happened is having the continents move to their present day position 20 million years ago.
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This time period has not ended yet.
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There are many interesting facts about the Cenozoic era. It was strikingly different from the Mesozoic era. This era was when glaciers started to form around Antarctica and parts of North America, South America, Europe and Asia. The Quanternary period has not ended. Lastly humans dominate the earth.