Chapter 1 - Before Darwin Chapter 2 - Darwin Chapter 3 - The Arguments and the Evidence Chapter 4 - The Darwinian Impact: Evolution and Religion Chapter 5 - The Beginning Chapter 6 - The Earth Chapter 7 - Molecules and the Origin of Life Chapter 8 - Proteins and the Genetic Code Chapter 9 - From Metabolism to Cells Chapter 10 - Genetic Constancy and Variability Chapter 11 - Systematics and Classification Chapter 12 - Molecular Phylogenies and Evolution Chapter 13 - Evolution in Plants and Fungi Chapter 14 - From Protozoa to Metazoa Chapter 15 - Differentiation and the Evolution of Development Chapter 16 - Evolution among Invertebrates Chapter 17 - Hox genes and hindbrain development Chapter 18 - From Water to Air: Amphibians, Reptiles, and Birds Chapter 19 - Evolution of Mammals Chapter 20 - Primate Evolution and Human Origins Chapter 21 - Populations, Gene Frequencies, and Equilibrium Chapter 22 - Changes in Gene Frequencies Chapter 24 - From Races to Species Chapter 25 - Culture and the Control of Human Evolution