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Author: Patricia Nicoll

This is an overview of the classification of living organisms, its history and its current use.

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Kingdoms of Classification

Overview of the six kingdoms of life

Source: Life Science textbook and online sources

Overview of Six Kingdoms

This site says there are three domains. They separate Prokarya into the two bacterial groups - Bacteria and Archaea. I'm okay if you only know Prokarya and Eukarya though.