- From Ancient Greek ἀρχαῖα (arkhaia, "ancient"), neuter plural of ἀρχαῖος (arkhaios, "ancient"). (Wiktionary)
“Bacteria such as E. coli made up a second domain, and Woese and Fox set apart the methane-producing microbes in a domain of their own, which they called Archaea .”
“Baker probed the gene fragments more thoroughly to turn up three Archaea from a totally unknown group, probably representing a new phylum among the several dozen known phyla of Archaea.”
“Archaebacteria" - microorganisms, more properly referred to as Archaea (which is its own Domain seperate from Bacteria and Eukarya) as they are not bacteria, found in extremee environments; geysers, deep sea black smokers, the difference between them and other life is greater than the differences between plant and animal life”
“The falsely labeled "Archaea" bacteria, tube worms, which have evolved to live at temperatures of up to 110 degrees Fahrenheit, and the hyperthermophilic bacteria, which have evolved to live at water temperatures of up to 239 degrees Fahrenheit will be the last life on Earth because of their ability to live at high temperatures ..”
“The three domains include diverse life forms such as the Eukarya (organisms, including humans, yeast, and plants, whose cells have a DNA-containing nucleus) as well as Bacteria and Archaea (two distinct groups of unicellular microorganisms whose DNA floats around in the cell instead of in a nucleus).”
“He says: The micro-organisms in the Dead Sea water mainly belong to the domain Archaea and they number around 1,000-10,000 per ml much lower than regular sea water.”
“His discovery swings open a big door to new questions as to how the Archaea live and from where they derive their energy.”
“The three primary divisions of life now comprise the familiar bacteria and eukaryotes, along with the Archaea.”
“Recent discoveries of "deep life" in cracks in the Earth's crust indicate that some bacteria and many Archaea can live in cracks in hot rocks in which there is effectively no gaseous atmosphere at all, and in which liquid water is only intermittently available.”
“How many times did the molecular characters that define Woese's three domains [Bacteria, Archaea, Eukarya] evolve?”
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