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what is archae-bacteria and eu-bacteria

  • archae bacterias are ancient bacterias and are oldest of the living fossils, there cell wall lack muramic acid and peptidoglycan the lipid contain phytanyl side group and there ribosomal proteins are usually acidic. they are of three types, methanogens, halophiles and thermoacidophiles.
  • eubacterias are true bacterias, includes bacteria, cynobacteria or blue green algae and actinomycetes. 
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Archaebacterias and eubacterias both come under Kingdom Monera.

Archaebacterias can survive in harsh habitats like in extreme salty areas (halophiles), hot springs (thermoacidophils) and marshy areas (methanogens). They can survive in such harsh conditions because they have a different kind of cell wall.


Eubacterias are the true bacterias. They can be identified by the presence of a rigid cell wall. Also, if they happen to be motile, they have flagella. These are categorised into: 

Autotrophs: photosynthetic autotrophs (e.g. cyanobacteria), chemosynthetic autotrophs.
Heterotrophs.

Hope this answers your question.
Good luck!
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Archae bacteria are prokaryotes and eu bacteria are eucaryotes which have well organized nucleus.
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ARCHAEBACTERIA are primitive bacteria and EUBACTERIA are truly bacteria
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Archaea, bacteria & eukarya are the 3 domains of life. Aechaea & bacteria have a prokaryotic cell or Eukarya have eukaryotic cell.
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