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Effects of Past Global Change on Life (1995) / Chapter Skim
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Pages 21-21

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... -The emerging environmental history correlates well with the known phylogeny of protists and is consistent with the fossil record. Quantitative data on possible Neoproterozoic PO2 changes remain elusive, but new geochemical data strongly indicate that the interval just prior to the Ediacaran radiation was a time of marked environmental change.
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  • fossil record


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