Archaea (/ɑːrˈkiːə/ ar-KEE-ə) is a domain of organisms. Traditionally, Archaea only included its prokaryotic members, but this sense has been found to...

Archaea is a domain of single-celled organisms. Archaea or archea may also refer to: Archaea (spider), an extinct genus of Archaeidae Archaea (journal)...

of either three domains, Archaea, Bacteria, and Eukarya, or two domains, Archaea and Bacteria, with Eukarya included in Archaea. In the three-domain model...

classification system that groups all cellular life into three domains, namely Archaea, Bacteria and Eukarya, introduced by Carl Woese, Otto Kandler and Mark...

Asgard or Asgardarchaeota is a proposed superphylum belonging to the domain Archaea that contain eukaryotic signature proteins. It appears that the eukaryotes...

Archaea, one of the three domains of life, are a highly diverse group of prokaryotes that include a number of extremophiles. One of these extremophiles...

the Asgard archaea, and are closely related to the Heimdallarchaeia. This implies that there are only two domains of life, Bacteria and Archaea, with eukaryotes...

are classified into two domains, Bacteria and Archaea. It emerged from development of knowledge of archaea diversity and challenges the widely accepted...

Eukaryota. Archaea are further divided into multiple recognized phyla. Archaea and bacteria are generally similar in size and shape, although a few archaea have...

prokaryotes are divided into two domains: Bacteria (formerly Eubacteria) and Archaea (formerly Archaebacteria). Organisms with nuclei are placed in a third...

domains of life, they can be extremely diverse. Two of the three domains, Archaea and Bacteria, only contain microorganisms. The third domain, Eukaryota...

Archaea is an extinct genus of spiders in the family Archaeidae. As of October 2016[update], four species are placed (or possibly placed) in the genus...

Orania archaea is a species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails. Subspecies Orania archaea archaea...

Cell wall Capsule Pili Marine prokaryotes are marine bacteria and marine archaea. They are defined by their habitat as prokaryotes that live in marine environments...

have used a system of six kingdoms (Animalia, Plantae, Fungi, Protista, Archaea/Archaebacteria, and Bacteria or Eubacteria), while textbooks in other parts...

Most prokaryotes are unicellular and are classified into bacteria and archaea. Many eukaryotes are multicellular, but some are unicellular such as protozoa...

life forms. No form of extraterrestrial life has yet been discovered. Archaea – a domain of single-celled microorganisms, morphologically similar to...

Methanogens are anaerobic archaea that produce methane as a byproduct of their energy metabolism, i.e., catabolism. Methane production, or methanogenesis...

ancient common ancestor. These evolutionary domains are called Bacteria and Archaea. The word bacteria is the plural of the Neo-Latin bacterium, which is the...

ancestral cell from which the three domains of life, the Bacteria, the Archaea, and the Eukarya originated. The cell had a lipid bilayer; it possessed...

aerobic process performed by small groups of autotrophic bacteria and archaea. The process of nitrification begins with the first stage of ammonia oxidation...

DPANN is a superphylum of Archaea first proposed in 2013. Many members show novel signs of horizontal gene transfer from other domains of life. They are...

One main characteristic of the three-domain method is the separation of Archaea and Bacteria, previously grouped into the single kingdom Bacteria (a kingdom...

of the two domains Archaea and Eukaryota, coined by Thomas Cavalier-Smith in 2002. Its name reflects the hypothesis that both archaea and eukaryotes evolved...

more empirical in recent years. The Taxonomic Outline of Bacteria and Archaea is a derived publication indexing taxon names from version two of the manual...

body such as an arm or a leg. Protrusions from single-celled bacteria and archaea are known as cell-surface appendages or surface appendages. In many kinds...

plants (also including algae and fungi) and prokaryotes (bacteria and archaea), is Latin and binomial in form; this contrasts with common or vernacular...

The Surprising Archaea: Discovering Another Domain of Life is a popular science book written about the domain Archaea. It was written by John L. Howland...

as Dunaliella salina, usually in conjunction with specific bacteria and archaea, which may vary from lake to lake. The most common archaeon is Halobacterium...

prokaryotes called eocytes (later classified as Thermoproteota, a group of archaea). After his team at the University of California, Los Angeles discovered...