Genetic variation shows the health of a population, yet cheetahs show very little variation over that last 10,000 years. Scholars learn the importance of genetic variation in populations after viewing an informative presentation. It...

This image of polydactyly illustrates one symptom of Ellis-van Creveld syndrome, which is commonly found in the Amish. Ellis-van Creveld is one example of the founder effect and genetic drift.

This site from Palomar College contains an interactive practice quiz containing four questions on major concepts regarding gene flow. A great learning tool.

EvoTutor is your online resource for interactive simulations of evolutionary processes.