Kingdoms of Life
Life on Earth originated between 3.5 and 4 billion years ago. Since then millions of different organisms have evolved (and most have gone extinct). Faced with such a multitude and div...
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Kingdom
The classification or taxonomy hierarchy can be credited to Carolus Linnaeus, a Swedish botanist who lived during the eighteenth century. This classification hierarchy starts at its broadest l...
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Bacterial Kingdoms
Bacterial kingdoms are part of the classification scheme that fits bacteria into appropriate groupings based on certain criteria. The kingdom is the broadest classification category...
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