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Effects of Past Global Change on Life (1995) / Chapter Skim
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Pages 34-34

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From page 34...
... Oxygen isotope analyses indicate that ocean surface waters cooled during glaciation. As sea level fell and surface waters cooled, mass mortalities occurred among most marine benthic faunas, primarily brachiopods and trilobites.
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Key Terms

  • late ordovician
  • mass mortality
  • oxygen isotope
  • mixed layer
  • mass mortalities

  • shelf seas
  • surface water


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