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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 13/15)

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  • Card 13 / 15:
    Cryogenian period

    geologic period (850–630 million years ago) characterized by a very cold global climate

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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
Flash Cards plugin by Curtis Blackwell github.com/curtisblackwell/flash_cards
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