Question

how are bacteria and archaea different?
a one is prokaryotic, the other is eukaryotic.
b their cell walls are distinct.
c one has a cell membrane, one does not.
d one has ribosomes, the other does not.

Explanation:

Both Bacteria and Archaea are prokaryotes. They both have cell - membranes and ribosomes. However, their cell walls are different. Bacterial cell walls contain peptidoglycan, while archaeal cell walls do not have peptidoglycan and have different components.

Answer:

b. Their cell walls are distinct.