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Tree thinking

Which group is most closely related to fishes?

Screen Shot 2014-02-08 at 6.50.42 PM

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.)

Ryan Gregory Tree Thinking Part 1.

Ryan Gregory Tree Thinking Part 2.

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.

Categories: Uncategorized

Joe Alcock

Emergency Physician, Educator, Researcher, interested in the microbiome, evolution, and medicine

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