Domain Archaea Definition Biology
Archaea ɑːrˈkiːə listen or ɑːrˈkeɪə ar kee ə or ar kay ə singular archaeon constitute a domain of single celled organisms.
Domain archaea definition biology. Extreme microscopic organisms this is a colored transmission electron micrograph tem of a section through the archaebacterium methanococcoides burtonii. Archaea domain archaea any of a group of single celled prokaryotic organisms that is organisms whose cells lack a defined nucleus that have distinct molecular characteristics separating them from bacteria the other more prominent group of prokaryotes as well as from eukaryotes organisms including plants and animals whose cells contain a defined nucleus. These microorganisms lack cell nuclei and are therefore prokaryotes.
These microorganisms are typically found inhabiting and thriving in extreme environmental conditions.