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  3. Unit 5. biological diversity
  4. Introduction to animal diversity
  5. The evolutionary history of the

27.4 The evolutionary history of the animal kingdom  (Page 6/15)

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6 / 15  The time between 542–488 million years ago marks which period?
A  Cambrian period
B  Silurian period
C  Ediacaran period
D  Devonian period
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Practice MCQ 6 FlashCards 2 Key Terms 4

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Source:  OpenStax, Biology. OpenStax CNX. Feb 29, 2016 Download for free at http://cnx.org/content/col11448/1.10
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