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Prokaryote Evolution

Compares the three classification domains.

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Prokaryote Evolution
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Vocabulary

Archaea

Domain of prokaryotes; includes single-celled organisms that live in extreme environments.

Bacteria

Domain of prokaryotes; single-celled organisms; cells lack a nucleus.

domain

Taxon in the revised Linnaean system that is larger and more inclusive than the kingdom.

Eukarya

Domain of eukaryotes; organisms with a nucleus in their cells.

kingdom

Largest and most inclusive taxon in the original Linnaean classification system.

prokaryote

Single-celled organism that lacks a nucleus or membrane-bound organelles.

taxon

(plural, taxa): A grouping of organisms in a classification system such as the Linnaean system; for example, species or genus.

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