Sourav PanApril 30, 2025

What kingdom is made obsolete by the three domain system?

Sourav PanApril 30, 2025

Answered

The kingdom Monera is made obsolete by the three-domain system. In the five-kingdom model, Monera encompassed all prokaryotic organisms. However, molecular studies revealed that prokaryotes consist of two distinct groups—Archaea and Bacteria—leading to the abandonment of the Monera kingdom and the establishment of the three-domain system.

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