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Professor Dave Explains
The Evolution of Populations: Natural Selection, Genetic Drift, and Gene Flow
After going through Darwin's work, it's time to get up to speed on our current models of evolution. Much of what Darwin didn't know is now known and understood very well, so we can meticulously go through much of the evidence we see for...
Untamed Science
Untamed Science: Biology: Evolution: Sexual Selection
Learn about the evolutionary process of sexual selection, a specific form of natural selection. [12:09]
PBS
Pbs Learning Media: Tale of the Peacock
The peacock provides a classic example of sexual selection, the force behind nature's extravagances. From Evolution: "Why Sex?" [4:02] Includes background reading and discussion questions.
Bozeman Science
Bozeman Science: Evolution Continues
Paul Andersen explains how life has evolved and continues to evolve today. A brief discussion of artificial, natural and sexual selection is included. The beak of the finch is used to explain how directional selection is achieved.