Question

What are the Archeabacteria's Characteristics

Answer 1

Answer:

Most protists are unicellular. You may be wondering why those protists are not classified in the Archaebacteria or Eubacteria kingdoms. It is because, unlike bacteria, protists are complex cells.

Also:

Among these three main types of archaea are some subtypes, which include: Methanogens  — archaeans that produce methane gas as a waste product of their "digestion," or process of making energy. Halophiles  — those archaeans that live in salty environments.

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Answer 2

Answer:

Archaebacteria are the prokaryotic anaerobic bacteria.

Explanation:

Archaebacteria are the prokaryotic bacteria. They live in an extremely harsh environment. They are different from the other bacteria with some characters like their habitat. Their cell wall don't have peptidoglycan like other bacteria. Archaebacteria are resistance to penicillin and some other antibiotics. These are of three groups such as methanogens, Halophiles, and thermoacidophiles.

Methanogens are methane-producing bacteria and used as fuel. Halophiles are found in saline water and heavy salt concentration. They contain red carotenoid pigment in the cell. So they appear red.  Thermoacidophiles can live in extremely high temperatures and high acidity.