I believe archaea are unicellular, but I'm not completely sure.
yes
Chlamydia is unicellular
Unicellular
Both
unicellular
Multicellular
definitely multicelular
It is multicelluar plant.
All bacteriums are unicellular prokaryotics.
Yes. Archaea are always unicellular.
Archaea are single-celled (unicellular).
unicellular