chapter+12

=Chapter 12- The History of Life=

Chapter 12.1- The Fossil Record [] Fossils are found in the layers of rock, telling paleontologists what age relative to the era and period the layer of rock the fossil was found in

Chapter 12.2- The Geological Time Scale [] Eras are the longest time periods ever and describe the setting and animal life on earth during that time

Chapter 12.3- Origin of Life [] An experiment that makes organics molecules out of inorganic molecules

Chapter 12.4- Early Single-Celled Organisms

Chapter 12.5- Radiation of Multicellular Life

Chapter 12.6- Primate Evolution