Question

Which characteristic is unique to archaebacteria?

They are prokaryotic with no nucleus.
They are single-celled organisms.
They can live in extreme environments.
They are the only bacteria that cause illness.

Answer 1

Answer:

Option 3) They can live in extreme environments.

Explanation:

Archaebacteria is class included in kingdom monera

It includes Methanogens, Halophils, etc

It can tolerate high temperature, and even can survive in harsh environment. They posses this unique qulaity due to their different structure of cell membrane which make this class unique from all others

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Answer 2

Answer:

the answer is C: they can live in extreme environments.

Explanation: