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Fig. 5. Comparison of the actual distribution of individuals of N2 on a thermal
gradient at different time points (filled bars), with the null
temperature-dependent-only diffusion prediction from the diffusion simulation
(open bars). Individuals starting at 24°C avoid high temperatures, but
otherwise do not move. Sample sizes for the empirical distributions: 60 min,
N=432; 8 h, N=649.