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yaykat1samro
yaykat1samro yaykat1samro
  • 14-08-2016
  • Biology
Answered

What important event in animal evolution marks the beginning of the Cambrian period?

Verified Answer :

taskmasters
taskmasters taskmasters
  • 18-08-2016

The event in animal evolution that marks the beginning of the Cambrian period is the evolution of chordates and arthropods. Chordates are animals with a dorsal nerve cord and arthropods are the ancestors of crustaceans and insects. Hope this answers the question.

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yecid0909 yecid0909
  • 23-06-2021

Answer:

the apperance of fossils

Explanation:

it is whan the fossils were first found.

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