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Fig. 10. Histograms of the exponents of (A) biological rates, (B) mass-specific biological rates (Peters, 1986) and (C) biological times (Calder, 1984). Note that the peak of the histogram for biological rates is very close to 0.75 (0.749±0.007) but not close to 0.67. Moreover, the histogram for mass-specific rates peaks near -0.25 (-0.247±0.011) but not -0.33, and the histogram for biological times peaks at 0.25 (0.250±0.011) and not 0.33. All errors quoted here are the standard error from the mean for the distribution. In all cases, the majority of biological rates and times exhibit quarter-power, not third-power, scaling. Figure taken from Savage et al. (2004b) with permission.





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