Documents 1 Chapter 18 Lecture Outline Copyright © McGraw-Hill Education. Permission required for...

Slide 1 Chapter 18 Lecture Outline Copyright © McGraw-Hill Education. Permission required for reproduction or display. See separate PowerPoint slides for all figures…

Documents Chapter 22

Chapter 22 The Origin and History of Life Early Evolution The universe began with the Big Bang about 13.7 bya (billion years ago) Our solar system began about 4.6 bya The…