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Figure 1


Fig. 1. The absence of a correlation between brain size and basal metabolic rate (BMR) in mammals. A plot of the percentage deviation from predicted brain size versus percentage deviation from predicted BMR in mammals reveals no correlation. This suggests that investment in the brain may be traded for other energetically cost tissues. Adapted from Striedter (Striedter, 2005); data from McNab and Eisenberg (McNab and Eisenberg, 1989).





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