The three domains are _____.
Archaea, Bacteria, and Eukarya
Archaea, Prokaryote, and Eukarya
Bacteria, Eukarya, and Animalia
Animalia, Plantae, and Bacteria
According to the modern taxonomy, the highest taxonomic rank of organisms is a domain. There are three domains in the tree of life: Archaea, Bacteria, and Eukarya. Archae and Bacteria are Prokaryotes, unicellular organisms without a nucleus and organelles. Eukarya mostly includes multicellular organisms with a nucleus and organelles. The basis of this classification is differences of ribosomal RNA.