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omojay1257
omojay1257
13.01.2021 • 
Chemistry

The table shows index fossils. A 4 row table. Row 1, CENOZOIC ERA. It is split into Quaternary Period, Pecten gibbus, and Tertiary Period, Calyptraphorus velatus. Row 2, MESOZOIC ERA. It is divided into Cretaceous Period, Scaphites hippocrepis, Jurassic Period, Perisphinctes tiziani, and Triassic Period, Trophites subbullatus. Row 3, PALEOZOIC ERA. It is divided into Permian Period, Leptodus americanus, Pennsylvanian Period, Dictyoclostus americanus, Mississippian Period, Cactocrinus multibrachiatus, Devonian Period, Mucrospirifer mucronatus, Silurian Period, Cystiphyllum niagarense, Ordovician Period, Bathyurus extans, and Cambrian Period, Paradoxides pinus. Row 4, PRECAMBRIAN, has no additional information.

Which conclusion about Paradoxides pinus is supported by the information in the table?

Life forms existed during the Cambrian period.
Similar fossil species formed after the Devonian period.
This fossil species first appeared during the Cenozoic era.
Different life forms were surviving during Precambrian time.

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