Science 15 lecture presentation0

1.© 2010 Pearson Education, Inc.  Welcome to Chapter 15 2. © 2010 Pearson Education, Inc. MAJOR EPISODES IN THE HISTORY OF LIFE • Earth was formed about 4.6 billion…

Science 15 lecture presentation0 (1)

1.© 2010 Pearson Education, Inc.  Welcome to Chapter 15 2. © 2010 Pearson Education, Inc. MAJOR EPISODES IN THE HISTORY OF LIFE • Earth was formed about 4.6 billion…