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Figure 10 | BMC Ecology

Figure 10

From: To sleep or not to sleep: the ecology of sleep in artificial organisms

Figure 10

Preferences for the flexible genes triplets. E = eat (or search for a food site), F = act flexibly based on relative energy levels, and S = sleep (or search for sleep site). The boxes show median and percentiles for the three possible relative positioning of flexible genes, respectively, from left to right, E - F - E (a flexible phase between two eating phases), S - F - S (a flexible phase between two sleeping phases), and S - F - E or E - F - S (a flexible phase as a transition between a sleeping phase and an eating phase or vice versa). The mean rank for E - F - E is 2.08; 1.73 for S - F - S; and 2.19 for S - F - E or E - F - S combined together (Friedman test: χ2 = 11.2, df = 2, p = 0.004). A post-hoc comparison confirms the significance for difference (2), between E-F-E and S-F-S (Wilcoxon test: T+ = 2819.5, N = 90, p = 0.002) and difference (3), between S-F-E or E-F-S and S-F-S (Wilcoxon test: T+ = 2854, N = 92, p = 0.005) but not for difference (1), between E-F-E and S-F-E or E-F-S (Wilcoxon test: T+ = 2541, N = 98, p = 0.682).

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