Animation on natural selection with choice of step-through or narrated version, followed by a quiz.
18 minute film from Biointeractive on the origin of new species, using lizards as an example. Useful additional information for the speciation topic.
Interesting article on selective breeding in pigs.
Youtube animated video on speciation from Cornell Lab of Ornithology
Site that shows some of the mistakes made by scientists in trying to work out evolutionary biology
Animated tutorial, goes through disruptive, directional and stabilising selection.