![Panhandle Area Educational Consortium: The Six Kingdoms of Life [Pdf] Handout](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Panhandle Area Educational Consortium: The Six Kingdoms of Life [Pdf] Handout")
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Panhandle Area Educational Consortium: The Six Kingdoms of Life [Pdf]
Scientists look at the evolutionary history of organisms to divide them into kingdoms. For awhile, there has been 5 kingdoms, but many scientist are now using 6 kingdoms.
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Southwest Tennessee Community College: Classification of Organisms
College-level instructor's notes describing taxonomy. Explanations and images give a chronological history of the science of classifying organisms.