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What were two types of organisms in the kingdom Monera?

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Quick Answer

The kingdom Monera included bacteria and cyanobacteria. Classification systems change when technologies such as DNA sequencing provide new information about the relationship between organisms. A three-domain system consisting of Bacteria, Archaea and Eukarya supplanted the five-kingdom system, and Monera is obsolete.

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Full Answer

One functional classification system divides organisms by their cell types rather than their genomes. Bacteria belong to the prokaryotes, distinguished by the lack of a nucleus and membrane-enclosed organelles in their cells. Most prokaryotes are single-celled organisms only visible under a microscope. Eukaryotes include protists, fungi, plants and animals. Archaea are prokaryotes that share some characteristics with eukaryotes, including similar genes.

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