Tag Archives: phylogenetics

Node-Counting Is Alive and Well

In a previous post I offered help for students struggling with evolutionary trees. In that post, I talked about a particularly difficult final exam question requiring students to interpret an evolutionary tree (a labeled version of the image to the … Continue reading

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Help for Students Struggling with Evolutionary Trees

Introductory biology students have a lot of trouble reading evolutionary trees. On last fall’s final exam, I picked up an image that I found online (see right; it is figure 15 in this article), labeled the species in it, and asked … Continue reading

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