fossil record
geologic time scale
fossil record geologic time scale
im not sure ur the one who needs to be helping me
The geological time scale is the history of the earth. This is in the eras period and epochs.
fossil record geologic time scale
fossil record geologic time scale
fossil record geologic time scale
fossil record geologic time scale
Geologists divide Earth's history into supereons (there's only one, the precambrian), supereons are divided into eons (there are four), eons are divided into eras, eras are divided into periods (Periods may be the most common divisions you read about. The Jurassic is a period), periods are divided into epochs, epochs are divided into ages.After the first era (the Cryptic) The various divisions are mostly determined buy the emergence of some form of life.
fossil record geologic time scale
Earth history is primarily divided into eras.
Earth's history is divided into eras.
The geological time scale is divided into: Eons (Such as the Proterozoic and the Phanerozoic) THEN Eras (Such as the Mesozoic and the Cenozoic) THEN Periods (Such as the Cretaceous and the Quaternary) THEN Series, alternatively Epoch (Such as the Pleistocene and the Holocene) THEN Stage (Such as the Campanian and the Tarantian)