Question

What are the characteristics of Archaebacteria? A)They are single cells that have a nucleus and tend to live in moderate conditions. B)They are single cells that lack a nucleus and tend to live in extreme conditions. C)They are single cells that lack a nucleus and tend to live in moderate conditions. D)They are single cells that have a nucleus and tend to live in extreme conditions.

Answer 1

I'm pretty sure it's B, because Archaebacteria is older so it lives in more older and "extreme" conditions. Also because they have no nucleus.

Answer 2

Answer: The correct answer is- B)They are single cells that lack a nucleus and tend to live in extreme conditions.

Archaebacteria are the oldest life forms, which are found on earth. They are unicellular ( made up of one cell) prokaryotes ( lacking nucleus and membrane  bound subcellular organelles) belonging to the kindom, Archea. They are found in extremely harsh environmental conditions such as hotsprings, boiling mud surrounding volcanoes.

Example- Methanogens, halophiles.

Thus, option B) is the right answer.