SAR is a highly diverse group of protists defined by DNA similarities determined through whole-genome analysis of various organisms in the group. Which of the following conclusions could be drawn from this information?
A) SAR is a paraphyletic group
B) SAR is a monophyletic group
C) SAR includes organisms that have different common ancestors
D) the common ancestor of the members of this group arose relatively recently in evolutionary history

Question

Quizplus · Accepted Answer

The SAR group is considered a monophyletic group because it is defined by DNA similarities that indicate the members share a common ancestor, which is a characteristic of monophyletic groups.

SAR Is a Highly Diverse Group of Protists Defined by DNA