1. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Chapter 15 The History and Classification of Life on Earth

2. The Fossil Record Reveals the History of Life on Earth 15-

5. 15-

6. APPLYING THE CONCEPTS—HOW SCIENCE PROGRESSES 15.2 The geologic clock can help put Earth’s history in perspective 15-

8. Figure 15.3A The continents have drifted through time 15-

10. Figure 15.4 Mass extinctions 15-

11. Figure 15.4 Mass extinctions 15-

12. Systematics Traces Evolutionary Relationships 15-

15. Figure 15.5 Hierarchy of taxa for Parthenocissus quinquefolia 15-

19. Figure 15.6 Linnaean classification and phylogeny 15-

22. Figure 15.7B Convergent evolution 15-

23. Figure 15.7C Molecular data 15-

25. Figure 15.8A Data for constructing a cladogram 15-

26. Figure 15.8B In a cladogram, a clade (colors) contains a common ancestor and all its descendents with shared derived characters 15-

28. Figure 15.8C Evolutionary systematics versus cladistic view of reptilian phylogeny 15-

29. The Three-Domain System Is Widely Accepted 15-

31. Figure 15.9 The three-domain system of classification 15-