Introduction to Organisms
Introduction to Phylogenic Kingdoms
In the presentation, "Introduction to Biological Classification," we introduced classifying organisms under a broad three-domain system versus classifying organisms using a five, six, or more kingdom approach. For the purpose of this discussion, we will refer to the traditional five-kingdom system.
Organisms are divided into each of five kingdoms based on defining characteristics, such as: cell type; cell structures; whether the organism is unicellular, multicellular, or has both forms; and nutrition. As new information is gathered, classifying approaches are constantly being refined.
Keywords: animals | eukaryotes | fungi | kingdom | Monera | phylogenetic | plants | prokaryotes | protist
- Margulis, L. (1990). An Illustrated Guide to the Phyla of Life on Earth (3rd ed.). New York: W. H. Freeman & Co.
Whittaker, R.H. (1950). On the broad classification of organisms. Quarterly Review of Biology, 34, 210-226.
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