Samantha Johnson describes how she uses the short film "The Origin of Species: The Beak of the Finch" to demonstrate to her students how quickly selective pressure can have an effect on a population, as well as to show that not all science is done indoors.
Visit www.biointeractive.org/beak-finch to view the film, and for links to its many related educational materials. Subscribe to the BioInteractive YouTube channel to get the latest educator tips.
