Howard Hughes Medical Institute
Hhmi: Biointeractive: Anole Lizards: An Example of Speciation
This animation features the anole lizards as an example of how a single species can split and multiply into many different species with distinct traits. [2:38]
Khan Academy
Khan Academy: Evolution: Fossils: Introduction to Evolution Natural Selection
Introduction to how groups of organisms evolve and how natural selection can lead to evolution. [17:39]