Changes in Nature
Changes to Earth's climate have affected the plants and animals living at different times. The geologic time periods, are different eras when different creatures plants and a different atmosphere existed, instead of the ones we have today.
What are the Geologic time periods?
Archean
Proterozoic: Paleoproterozoic, Mesoproterozoic
Neoproterozoic: Tonian, Cryogenian, Ediacaran
Neoproterozoic: Tonian, Cryogenian, Ediacaran
Paleozoic: Cambrian, Ordovician, Silurian, Devonian, Mississippian, Pennsylvanian, Permian
Mesozoic: Triassic, Jurassic, Cretaceous
Cenozoic: Paleocene, Eocene, Oligocene, Miocene, Pliocene, Pleistocene, Holocene.
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