Chapter Objectives

At the end of this unit students will be able to
1. describe Linneaus’ role in developing the modern system of naming organisms.
2. summarize the scientific system for naming a species.
3. list the seven levels of biological classification.
4. list the characteristics that biologists use to classify organisms.
5. summarize the biological species concept.
6. relate analogous structures to convergent evolution and homologous structures to divergent evolution.
7. describe how biologists use cladograms to determine evolutionary histories.
8. identify the characteristics used to classify the 6 kingdoms of living organisms.
9. differentiate Eubacteria from Archaebacteria.
10. distinguish among unicellular, colonial, and multicellular life forms.

Chapter Terms

Classification of Organisms	Kingdoms of Life
taxonomy binomial nomenclature species genus family order class phylum kingdom domain biological species phylogeny convergent evolution analogous character cladistics ancestral character derived character cladogram evolutionary systematics phylogenetic tree	colonial organism aggregation multicellular differentiation tissue organ organ system protist hypha vascular tissue invertebrate vertebrate