CLASSIFICATION
THE THREE DOMAIN CLASSIFICATION SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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3; Archaea, Bacteria, Eukarya
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2; Bacteria, Eukarya
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1; Eukarya
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3; Bacteria, Eukarya, Protists
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Detailed explanation-1: -The three domains of life are Archaea, Bacteria and Eukarya.
Detailed explanation-2: -Life on earth is classified into three domains: Bacteria, Archaea and Eukarya. The first two consist completely of single-celled microbes. None of them have a nucleus. The third domain, Eukarya, consists of organisms whose cells have a nucleus.
Detailed explanation-3: -The three domains are the Archaea, the Bacteria, and the Eukarya. Prokaryotic organisms belong either to the domain Archaea or the domain Bacteria; organisms with eukaryotic cells belong to the domain Eukarya.
Detailed explanation-4: -Further molecular analysis has shown that domain Archaea consists of two major subdivisions, the Crenarchaeota and the Euryarchaeota, and one minor ancient lineage, the Korarchaeota.
Detailed explanation-5: -Under this system, there are three domains-domain Bacteria (corresponding to domain Eubacteria), domain Archaea (corresponding to kingdom Archaebacteria), and domain Eukarya (corresponding to kingdoms Fungi, Plantae, Animalia, and kingdom “Protista”).