Which group is most closely related to fishes?
I have written that “every medical student needs to understand tree thinking,” but have not devoted much space to it on this blog. Ryan Gregory has a wonderful blog that summarizes Baum’s classic tree thinking article (part 1 also gives the answer to the question posed above.)
Also read this blog highlighting the common misconception that evolution is linear.
Reference: Baum, D.A., S. DeWitt Smith, and S.S.S. Donovan. 2005. The tree-thinking challenge. Science 310: 979-980.