Biology (Mader), 10th Edition

Chapter 19: Systematics and Phylogeny

Learning Outcomes

After studying this chapter, you should be able to accomplish the following outcomes.

Systematics.

1. Explain the binomial naming system, and name the eight main classification categories.
2. Explain why the Linnaean classification system forms a hierarchy.

3. Give an example that shows how Linnaean classification reflects phylogeny.
4. Show how to construct a cladogram when given the necessary data.
5. Distinguish monophyletic clade from a paraphyletic group and a polyphyletic group.
6. Explain how systematists use the fossil record, homology, and a molecular clock to trace phylogeny.

7. Explain the rationale for the three-domain classification system.
8. Use the three-domain system to classify organisms.