The Figure Below Shows Two Ways to Represent Phylogenetic Relationships

Multiple Choice

The figure below shows two ways to represent phylogenetic relationships using rRNA from several thermophiles from Obsidian Pool in Yellowstone National Park. The principal advantage to unrooted trees, when compared to rooted trees, is that they

A) are more readable.
B) are easier to draw.
C) are more precise.
D) indicate the position of a common ancestor.
E) are more precise regarding mutation rates.