The peppered moth of industrial England (and the Galapagos finches on Daphne Major during the 1976 drought) are common examples used in teaching natural selection. What unites them is their method: observational work. John Endler’s…
To understand p-values, you must discern a critical aspect: how confident you can interpret data. You must see how the relationship between the means and their data spread can vary, and how this affects your…
Teaching about natural selection gives a mechanism for how species change but it doesn’t directly address how one species can diverge into two. Speciation, then, needs its own lesson. This post shows you how I’ve…