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Period of the free-running temperature-sensitive models. The plot shows the period of model 3 (open circles) and the Locke temperature-sensitive model with different energies, models 1 and 2 (black squares and open triangles, respectively). The original model of Locke et al. [7] is plotted as the third black square (T = 288.15 K). Both temperature-sensitive Locke models cannot temperature compensate as well as model 3. Model 2 is arrhythmic outside the range plotted.
