23:48
Genetics and evolution
What does genetic diversity mean, and what is its relationship to evolution? This video answers that intriguing question as it summarizes the theory of natural selection and describes the process of trait inheritance. Advances stemming from the Huma...
50:36
Living together: relationships in the wild
This program seeks to understand how relationships between living things have promoted the diversity and splendor of life as it exists on Earth today. Predation, competition, and symbiosis are addressed through topics such as the anatomical arms rac...