Answer: These are both microscopic, unicellular organisms of no cell organelles; that is they lack the basic organelles of cells like the mitochondria, endoplasmic reticulum, nucleus etc.Their genetic materials are conserved in a single circular chromosomes, unlike in eukaryotes where they are packed in nucleus. Other similarities are:
Both are Prokaryotes.
They both lack nucleus
They both lack membrane bound organelles.
They both undergo reproduce asexually by binary fission.
Both also have plasma membranes.
Step-by-step explanation: