A look at how the Animal Kingdom is divided up: those animals with a backbone, those without; animals who eat meat, those who eat only vegetation, those who eat both; animals with even numbers of toes and those with an odd number of toes; and other fascinating categories that illuminate what an animal looks like and who it is related to.

Originally released by Bellum Entertainment/Midori Entertainment, 2008. Streaming video file encoded with permission for digital streaming by Infobase on May 06, 2015.

Classification (7:28); --Invertebrates (6:46); -- Animal Anomalies (5:52); -- Different Animals Segment (6:00); .