Chapters in this book

1. Frontmatter i
2. Contents vii
3. Preface ix
4. Introduction 1
5. Part One. Discovering the Tree of Life
6. 1. The Tree’s Microbial Branches 21
7. 2. Relationships among Organisms 49
8. 3. Enter DNA 80
9. 4. The Rosetta Stone 97
10. 5. From the Tree’s Roots to Its Branches 116
11. Part Two. Doubts and Complications
12. 6. Genes from Neighbors 141
13. 7. Can the Receiving Cell Say No? 170
14. 8. Can the Tree Be Trusted? 187
15. Part Three. Understanding the Tree of Life
16. 9. The Tree’s Ecological Fruit 217
17. 10. The Tree’s Beginnings 232
18. Further Reading 255
19. Acknowledgments 265
20. Illustration Credits 267
21. Index 269