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Fig. 6. (A) Correlation between hovering flight mass-specific metabolic rate and
hexokinase activity residuals (r2=0.29,
F1,12=4.85, P=0.048) obtained from the body mass
relationships in Fig. 5. (B)
The same relationship (non-significant in both cases) presented for
independent contrast obtained from the cyt b phylogeny using gradual
(filled circles) and speciational (open circles) models of character
evolution.