Change over Time Pages 104 - 111. All of these frogs live in the same area. What differences are there?
Chapter 1.6
The Geologic Time Scale Earth’s History. The geologic time scale divides Earth’s long history into units of time… Eras Periods Epochs Eras are divided.
Evolution Evolution- change in population over time.
Geologic Time Scale 4.6 Billion years ago to the present
Sereno & Larsson, 2009
