Sourav PanApril 30, 2025

Which 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 are divided into two distinct domains—Archaea and Bacteria—making the single kingdom Monera inaccurate and necessitating its replacement with the three-domain system.

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