The following diagram is an evolutionary tree showing the relationship between the three domains.Which letter represents the most recent common ancestor of the Bacteria and Archaea?
A) A
B) B
C) C
D) D

Question

The following diagram is an evolutionary tree showing the relationship between the three domains.Which letter represents the most recent common ancestor of the Bacteria and Archaea? 
A) A 
B) B 
C) C 
D) D

Quizplus · Accepted Answer

The most recent common ancestor of Bacteria and Archaea is represented by the point where the two branches meet, which is shown by the letter B.

The Following Diagram Is an Evolutionary Tree Showing the Relationship