which domain is described here? \are prokaryotic, single - celled organisms which have no nuclear membrane…

which domain is described here? \are prokaryotic, single - celled organisms which have no nuclear membrane and are extremophiles such as methanogens, halophiles, and thermoacidophiles\ bacteria archaea
Answer
Brief Explanations:
Archaea are prokaryotic, single - celled organisms without a nuclear membrane and include extremophiles like methanogens, halophiles, and thermoacidophiles. Bacteria are also prokaryotes but not typically known for being the main group of extremophiles as described.
Answer:
Archaea