A) Archaea and Eukarya are more closely related to each other than either group is to Bacteria
B) Bacteria and Archaea are more closely related to each other than either group is to Eukarya
C) All three domains of life are closely related to each other
D) it has not been possible to deduce the relative relatedness of these three domains

A) The primitive organism is especially simple, compared to other members of its taxonomic group
B) The primitive organism is poorly adapted to its environment, compared to other members of its taxonomic group
C) The primitive organism has gone extinct
D) the primitive organism is the closest evolutionarily to the original organism that gave rise to a particular taxonomic group.

A) Archaea have prokaryotic cells
B) Fungi have eukaryotic cells
C) Gram-positive bacteria have prokaryotic cells
D) Protozoa have prokaryotic cells
E) Flagellates have eukaryotic cells