The Rise and Fall of the Mammoths

A diagram, data table, and reading passage top this resource. Through it, biology beginners are introduced to the concept of natural selection. They answer some questions and then participate in a simulation using fabric as a habitat and...

Clear up the confusion between natural selection and evolution with this cartoon. A hand draws diagrams and scenery as a voice narrates. This little feature is ideal for introducing these two concepts to beginning biologists.

Scientists believe red hair and pale skin evolved in northern Europe because it helped humans synthesize vitamin D easier than those with more melanin in their skin. Viewers explore many interesting facets of evolution in a...

Sickle cell disease only occurs when both parents contribute the trait, and mostly in those of African descent. Where did it come from? How did it evolve? Tony Allison, a molecular biologist, noticed a connection between sickle cell and...

Clear up any confusion related to natural selection and evolution. This straight forward clip explains the differences between natural selection and evolution and sheds light on misconceptions Charles Darwin had about the process of...

Examine exactly what is meant by natural selection, as well as how it works in nature and through the assistance of humans. Presented with fun graphics and simple narration, the complex topic of natural selection is clearly explained in...

Selective breeding has resulted in some novel and beautiful or useful dogs over the years. Using the American Foxhound as an example, genetics learners find out how and why they came about. Then, in small groups, they select breeds to...

Got milk? Only two cultures have had it long enough to develop the tolerance of lactose as an adult. Learn how the responsible genes evolved along with the cultures that have been consuming milk. This rich film is supplied with a few...

Can natural disasters alter natural selection? The interactive explores this concept with mice living through a forest fire. As the environment changes, the camouflage also changes. How does this one disaster impact future generations?

Learn about the basics of the mechanism of evolution and the importance of natural selection, and examine evidence showing that we are seeing evolution playing out in every organism we encounter. In an engaging and easy-to-follow video,...