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In an undisturbed series of sedimentary rock layers… | StemPy Lab

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In an undisturbed series of sedimentary rock layers, where are the fossils of the oldest living things usually found?

BiologyEasyHigh School (11–12)Heredity and Evolution › Evolution AP A-Level IB

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In an undisturbed series of sedimentary rock layers, where are the fossils of the oldest living things usually found?

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