Mayo0043
Mayo0043 Mayo0043
  • 01-11-2016
  • Biology
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What happened during the Cambrian explosion

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TooNashty
TooNashty TooNashty
  • 01-11-2016
The Cambrian period was important because it marked a dramatic burst of evolutionary changes in life on Earth. It is also the time when most of the major groups of animals first appeared in fossil records.
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