Members of the domains Bacteria and Archaea are called ________ because they lack a nucleus and internal compartments.

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Members of the domains Bacteria and Archaea are classified as prokaryotes which means "before nucleus". They lack a true nucleus and other membrane-bound organelles such as mitochondria, chloroplasts, and endoplasmic reticulum. Eukaryotes have a true nucleus and other membrane-bound organelles, while molds and protists are more specific types of organisms that may be either eukaryotic or prokaryotic.

Members of the Domains Bacteria and Archaea Are Called ________