Module 3 Introduction (U4 M3) Vertebrate Diversity
There are several ways to classify group of animals commonly known as vertebrates. But regardless of how you view this group of animals, the complexity of the phylum Chordata can be traced in the complexity of organ systems in this group. Each of the major groups of vertebrates have one or more "firsts" that appeared in each group: The first animal, first hunters, the first to lay shelled eggs, etc. Explore all of the firsts that can be found in this phylum in this Module.
List and recognize traits associated with each major group covered.