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The 3-DOMAIN system of classification (Woese, 1990) divides life into:
APlants, animals, microbes
BProkaryotes and eukaryotes
CBacteria, Archaea, Eukarya
DMonera, Protista, Plantae-Animalia-Fungi
Answer & Solution
Correct answer: C. Bacteria, Archaea, Eukarya
Carl Woese (1990) proposed the THREE-DOMAIN system based on ribosomal RNA: BACTERIA (true bacteria), ARCHAEA (archaebacteria, often extremophiles), and EUKARYA (all eukaryotes). Reflects deep evolutionary splits.
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