What do archaea and bacteria have in common? Biology Microorganisms Archaea 1 Answer Dr Birendra Kumar Mishra Nov 25, 2016 Both are a group of prokaryotes organisms. Explanation: Both are a group of prokaryotes organisms, whose cells lack a nucleus and other membrane-bound organelles. Archaea are single-celled prokaryotes that are fundamentally differ from bacteria. Answer link Related questions Why are archaea in a different domain from bacteria? What are the archaea? What is an organism? What are extremophiles? Do archaebacteria have a cell wall? What are archaeal cells? How are bacteria and archaea similar? What does the prefix "ARCHEA" mean? What are archaebacteria? Which is older: 'virus' or 'archaea'? See all questions in Archaea Impact of this question 6335 views around the world You can reuse this answer Creative Commons License