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Fig. 6. Effect of start temperature on thermal preference in N2 (grey bars) and in
CB4856 (black bars) cultivated at 20°C. CB4856 individuals consistently
preferred cool temperatures, whereas N2 tended to disperse around their start
temperature. Mean thermal preferences are based on a mean of four replicates,
with 168 individuals per replicate (4038 total individuals). Values are
least-square means ± 2 s.e.m. Within each strain, treatments not
connected by the same letter are significantly different (P<0.05;
Tukey HSD).