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According to Carl Woese's classification, which two new kingdoms in the 'six kingdoms' were formed from Monera?

Answer and explanation

Correct answer: Archaebacteria and Eubacteria

Direct answer: B is correct. In the five-kingdom system, Monera contained prokaryotic organisms. Carl Woese used molecular evidence, especially differences in ribosomal RNA, to show that the prokaryotes were not one uniform evolutionary group. They were separated into Archaebacteria, now commonly called Archaea, and Eubacteria, also called true bacteria. A is wrong because Protista and Fungi were already separate eukaryotic kingdoms and were not the two groups made by splitting Monera. C is wrong because Plantae and Animalia are multicellular eukaryotic kingdoms. D is wrong because viruses are acellular and are not one of the two kingdoms formed from Monera. Memory cue: six kingdoms = Monera split into Archaebacteria and Eubacteria, while the other four are Protista, Fungi, Plantae and Animalia.

Related tags

Six Kingdom ClassificationCarl WoeseMoneraArchaebacteriaEubacteriaFive Kingdom ClassificationBiological ClassificationBiology

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