Question

Are methanogens archaea?

Answer 1

Archaea:

1. They are single-celled prokaryotes.
2. They live in extreme environmental conditions like highly saline & acidic regions, above the boiling point temperatures, etc.
3. Examples- Aeropyrum pernix, Staphylothermus marinus, etc.

Methanogens:

1. These anaerobic prokaryotes produce methane as a byproduct.
2. All known methanogens belong to the domain Archaea.
3. They inhabit a wide range of anaerobic habitats like hydrothermal vents, highly acidic aquatic regions, marshy areas, etc.
4. Examples- Methanococcus, Methanobrevibacter, Methanobacterium, etc.