Professor Dave Explains
Mechanisms of Natural Selection Types of Sexual Selection
We touched upon sexual selection when we learned about natural selection. Essentially when there is a variance in the reproductive success of a particular sex for a given species, secondary sex characteristics will develop in that...
PBS
Pbs Teachers: Sweaty T Shirts and Human Mate Choices
Learn about the new field of evolutionary psychology and discover how a "sweaty T-shirt" experiment indicates that the sense of smell may have more to do with mate choice than previously thought.