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  • 03-01-2022
  • Biology
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How would the fossil record look different after the Cambrian Explosion vs. after a mass extinction?

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mariamamgd
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  • 03-01-2022
The beginning of the Cambrian Period is marked by the evolution of hard body parts such as calcium carbonate shells. ... These body parts fossilize more easily than soft tissues, and thus the fossil record becomes much more complete after their appearance.
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