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Cenozoic is not a major period of the geologic time scale. The scale is broken down into eras. Cenozoic, Mesozoic and Paleozoic are all part of the Phanerozic era.
eras and periods
The basic units of the geologic time scale eras and periods.
By eons, eras, epochs, and periods.
Eon The largest expanse of time on the geologic time scale is the eon. An eon would encompass at least two eras.
Eon The largest expanse of time on the geologic time scale is the eon. An eon would encompass at least two eras.
The geologic time scale is divided into four eras: the Precambrian, Paleozoic, Mesozoic, and Cenozoic eras. Each era represents a distinct span of time in Earth's history with characteristic geological and biological features.
EonEraPeriodEpoch! :)
The information the geologic scale provides is animals and fossils over time and periods. Major divisions of time is called eras.
Cenozoic Era
life; living things
Eras are subdivisions of larger units of geologic time called eons.