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Incredible | 11/7/19

The first animals that ever walked on earth lived this many years ago.

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The vertebrae and ribs of a giant sloth are prepared to be moved to a laboratory for testing
Retry Correct Incorrect The earliest creature that we would consider an animal is known as the Dicksonia. Fossils of Disksonia have been found that date back 558 million years. Scientists use carbon dating to figure out when fossils were formed.
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Daniel LeClair/Getty Images
Daniel LeClair/Getty Images

The first animals that ever walked on earth lived this many years ago.

  • What is 558 million years?
  • What is 200 thousand years?
  • What is one million years?
  • What is 3 trillion years?
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