Most organisms can be divided into two categories - prokaryotes and eukaryotes. What is the main difference between these two categories? A.
Eukaryotes are found in all of the six major taxonomic kingdoms.

B.
Prokaryotes do not possess a nucleus or any other membrane-bound organelles.

C.
Prokaryotes do not possess any means of locomotion and are thus unable to move.

D.
Eukaryotes are living organisms whereas prokaryotes include some nonliving matter.