Deep Time/History of Life
In its 4.6 billion year history, Earth has undergone massive geologic and climatic changes and provided habitat to an ever-changing cast of life forms. To learn more about the origins and evolution of Earth and its inhabitants, investigate this extensive collection of resources.
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| Rights | © 2001 WGBH Educational Foundation and Clear Blue Sky Productions, Inc |
| Date Of Record Creation | 2010-10-19 10:50:37 |
| Date Of Record Release | 2010-10-19 10:50:37 |
| Date Last Modified | 2010-10-19 10:50:37 |
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