A) Eubacteria are prokaryotes while the archaea are eukaryotes. B) Archaea are more closely related to eukaryotes than to eubacteria. C) Eukaryotes are more closely related to eubacteria than to archaea. D) Viruses are more closely related to prokaryotes than to eukaryotes. E) Eubacteria, archaea, and eukaryotes are all equally related.