Fig. 2

Branch lengths and substitution model parameters were optimized on the same topology for both molecular and morphological data only for a Hemiptera, b Hymenoptera, and c Spermatophyta. The scatterplots to the trees' right show the linear relationship between the branch lengths obtained from molecules versus morphology. The slope, correlation coefficient  (r) and p-value are shown. The black dashed line represents the best-fit linear regression through the origin. The solid grey line represents equality between estimates