Ineed ! are single-celled organisms with no nucleus. the kingdom is relatively small. eubacteria are classified by are round bacterial cells. are rod-shaped bacterial cells. are spiral-shaped bacterial cells.

The correct terms are -

Bacteria

Archaebacteria

shape

coccus

bacillus

spirillus

Explanation:

Prokaryotes or the bacteria are single-cell organisms without nucleus. Their genetic material present in cytoplasm and do not distinguished by any membrane organelle.

Archaebacteria is the relatively small kingdom than other five kingdoms.

Eubacteria are classified on the basis of their shapes. Coccus are round bacterial cells. Rod shaped bacterial cells are called bacillus and spiral shaped bacterial cells are spirillus.

i believe the answer would be b. hope it : )