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Fig. S1. Additional plots of allometric scaling relationships of Dendropsophus ebraccatus tadpole morphology over time demonstrate that temperature and predator cues interacted to change how tadpoles grew. Plots show the slope ± SE of log-log plots of pairwise comparisons of tadpole morphological measurements. For example, (a) shows the slopes of tadpole tail muscle depth regressed against tadpole body length. (a–d) Plots reveal that at 20 days tadpoles in the cool-predator treatment increased allocation in tail musculature and size, relative to body size. (e–i) Plots show relationships between other aspects of tail size and musculature. Even when treatments had overlapping standard errors, the trend remained that investment in tail musculature and size was greatest in the cool-predator treatment group.

Table S1 Pairwise comparisons of tadpole morphology at 6, 12 and 20 days in warm or cool temperature treatments crossed with the presence or absence of a caged Belostoma sp. predator. Models were constructed using common principal components analysis (CPCA), which compares the covariance matrices of one or more groups of organisms in a hierarchical fashion. The covariance matrices may share all possible components and have eigenvectors that are equivalent, proportional, or be dissimilar [common principal components (CPC)]. In addition, two covariance matrices may share fewer than the total group of principal components [partial common principal components (PCPC)], including none whatsoever (unrelated structure). The number of shared components in each comparison is shown in parentheses. We used a model fitting approach, selecting the model with the lowest Akeike’s Information Criterion (AIC) score. Best fitting models are shown in bold.

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