Build an understanding of the five classes of animals with backbones: fish, amphibians, reptiles, birds, and mammals. Learn the different characteristics of each group and view some of the animals that belong to each class.

Originally released by Phoenix Learning Group, 2000. Streaming video file encoded with permission for digital streaming by Infobase on April 07, 2015.

Facts about Fish (5:23); --All about Amphibians (2:12); -- Researching Reptiles (2:12); -- Beholding Birds (1:25); -- More about Mammals (2:24); .