Part I. The Historical Framework: Evolution as Science

1. Before Darwin
2. Darwin and Natural Selection
3. The Arguments and the Evidence for Evolution

Part II. Origins: The Enormity of Time

4. The Origins of Cosmic Structures and Chemical Elements
5. The Origin of Earth
6. Molecules, Protocells, and Natural Selection
7. From Molecules to Life
8. Origins of Cells and the First Organisms

Part III. The Organic Framework: Genes Cells and Development

9. Cell Division, Mendelian Genetics and Sex Determination
10. Chromosomes, Mutation, Gene Regulation and Variation
11. Species, Phylogeny and Classification
12. Genes and Phylogenetic Relationship
13. Genes, Development, and Evolution

Part IV. The Organisms: The Diversity of Life

14. Evolution of Plants and Fungi
15. Animals and their Origins
16. Evolution Among the Invertebrates
17. Chordate and Vertebrate Origins
18. From Water to Land to Air: Amphibians and Amniotes
19. Evolution of Mammals
20. Primate Evolution and Human Origins

Part V. Populations and Speciation: Changes Within and Between Species

21. Populations, Gene Frequencies, and Equilibrium
22. Changes in Gene Frequencies
23. Structure and Maintenance of Populations
24. From Populations to Species

Part VI. Evolution and Society: Past, Present, and Future; Society and Religion

25. Cultural and Human-Directed Evolution
26. The Impact of Darwin's Theory on Religion