Question

Which of the following characteristics can be related to Archaebacteria?

• A. All photosynthetic
• B. All fossils
• C. All halophiles
• D. Oldest living beings

Answer 1

The correct option is D Oldest living beings

Archaebacteria are unicellular prokaryotic organisms. They include halophiles, thermophiles, methanogens. They are found in extreme habitats like areas with high salt concentration, extremely high temperature, marshy areas. They are non-photosynthetic bacteria. They are the oldest living beings. They are primitive organisms.

Thus, the correct answer is 'Oldest living beings.'