Final answer:
Geological time periods are different stages in Earth's history and are divided into eons, eras, and periods. Examples include Cambrian, Ordovician, Silurian, Devonian, Carboniferous, Permian, Triassic, Jurassic, and Quaternary.
Step-by-step explanation:
The list provided includes various geological time periods. These time periods represent different stages in Earth's history and are divided into eons, eras, and periods.
Some examples of the time periods mentioned in the list are the Cambrian, Ordovician, Silurian, Devonian, Carboniferous, Permian, Triassic, Jurassic, and Quaternary.