Which are Evolutionarily More Closely Related

Question

Which are evolutionarily more closely related?
A) bacteria and archaea
B) bacteria and eukarya
C) archaea and eukarya
D) Bacteria, eukarya, and archaea are equally related to each other.

Accepted Answer

Archaea and eukarya are believed to share a more recent common ancestor than either does with bacteria. This is supported by molecular and biochemical data.