Figure 2: Fitted logistic regression curves showing the predicted probability of ant tending (left -axis) as a function of larval age for the three ant abundance treatments in this study. The histograms show the frequency of observations in which tending occurred (upper right -axis) or did not occur (lower right -axis) each day for the three ant abundance treatments combined. Results of statistical analyses on the effects of ant abundance treatment and larval age are in Table 1.