Question

Which of these is a characteristic of organisms in the domain Bacteria?

A.
They are single-celled.
B.
They contain membrane-enclosed organelles.
C.
They are multicellular.
D.
They contain a cell nucleus.

Answer 1

A

Step-by-step explanation:

No cell nucleus.

Archaea is a domain that comprises of single celled microorganisms, which are prokaryotes. These organisms can survive in extremely harsh conditions like hot springs and salt water.

Answer 2

The answer is option A.

They are single-celled.

Hope this helps.