if an organism has been placed in the archaea domain, then it must be a…

if an organism has been placed in the archaea domain, then it must be a(n) ____________. a extremophile b prokaryote c eukaryote d bacterium

Brief Explanations

Archaea are prokaryotes. Not all archaea are extremophiles. Eukaryotes are in a different domain. Bacteria are in the Bacteria domain.

B. prokaryote