Use these Biology and Animal Classification videos entitled The Classification of Vertebrates to study the characteristics of vertebrates and invertebrates.
Learn about phylum Chordata and its subphylum Vertebrata, and why taxonomy is important to the study of animals. Define the characteristics of vertebrates and invertebrates. Discover the three major characteristics of chordates. Explain the differences between warm- and cold-blooded animals. Learn the likely evolutionary link between birds and reptiles. Describe several orders and subclasses of class Mammalia.