How are the three domains different from each other?

There are many similarities and differences between the three domains. Bacteria and Archaea differ in how they gain energy ... One similarity between domain Archaea and domain Bacteria is that they both contain only prokaryotes while domain Eukarya only contains eukaryotes.

Make sure to include, bacteria and Archaea differ in how they gain energy, a similarity between domain Archaea and domain Bacteria is that they both contain only prokaryotes, domain Eukarya only contains eukaryotes.