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archaebacteria

   Also found in: Medical, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
ar·chae·bac·te·ri·um  (ärk-bk-tîr-m)
n. pl. ar·chae·bac·te·ri·a
An archaeon.


archaebacteria [ˌɑːkɪbækˈtɪərɪə]
pl n
(Life Sciences & Allied Applications / Microbiology) (formerly) a group of microorganisms now regarded as members of the Archaea See archaean
[from archaeo- + bacteria]
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.archaebacteria - considered ancient life forms that evolved separately from bacteria and blue-green algae
moneran, moneron - organisms that typically reproduce by asexual budding or fission and whose nutritional mode is absorption or photosynthesis or chemosynthesis
division Archaebacteria - in some classifications considered a kingdom
methanogen - archaebacteria found in anaerobic environments such as animal intestinal tracts or sediments or sewage and capable of producing methane; a source of natural gas
halophil, halophile - archaebacteria requiring a salt-rich environment for growth and survival
thermoacidophile - archaebacteria that thrive in strongly acidic environments at high temperatures


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? Mentioned in ? References in periodicals archive
 
Unlike bacteria and archaebacteria, the choanoflagellate cell has a clearly defined nucleus.
What's more, these origin-of-life researchers suspect that the two major groups of bacteria, known as archaebacteria and eubacteria, originated on two separate occasions about 3.
As a result, scientists often divide life into bacteria or eubacteria, archaea or archaebacteria, and eukarya.
 
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