| Variation |
| The Effect of Environment on Phenotype |
| Gene Pools and Evolution |
| Gene Pools and Evolution |
| Changes in a Gene Pool |
| Changes in a Gene Pool |
| Hardy-Weinberg Calculations |
| Natural Selection |
| Natural Selection |
| Natural Selection |
| Directional Selection in Darwin's Finches |
| Directional Selection in Moths |
| Disruptive Selection in Darwin's Finches |
| Disruptive Selection in Darwin's Finches |
| Selection for Human Birth Weight |
| Natural Selection in Pocket Mice |
| Selection for Skin Colour in Humans |
| Genetic Drift |
| Genetic Drift |
| Genetic Drift |
| The Founder Effect |
| The Founder Effect |
| The Founder Effect |
| The Founder Effect |
| Genetic Bottlenecks |
| Genetic Bottlenecks |
| Selective Breeding in Animals |
| Selective Breeding in Animals |
| Selection in Livestock |
| Selective Breeding in Crop Plants |
| Breeding in Modern Wheat |
| Breeding in Modern Wheat |
| The Evidence for Evolution |
| The Evidence for Evolution |
| The Evidence for Evolution |
| The Evidence for Evolution |
| Using Mitochondrial DNA |
| Homologous DNA |
Homologous DNA
|
| Homologous Proteins |
| Molecular Clock Theory |
| Isolation and Species Formation |
| Allopatric Speciation |
| Allopatric Speciation |
| Sympatric Speciation |