In this history of life worksheet, students will use diagrams of the Precambrian, Paleozoic, Mesozoic, and Cenozoic Era to complete 4 fill in the blank statements.

Delve into the details of the Quaternary Period of the Cenozoic Era, which presents enlightening scientific data about the present-day ice age and the evolving planet.

[Free Registration/Login may be required to access all resource tools.] Covers the Cenozoic Era, the age of mammals.