Tadpole survival (A) and body fresh weight (B) in four treatments including warmed and predator present (W+P+), ambient and predator present (W−P+), warmed and predator absent (W+P−), and ambient and predator absent (W−P−).

<p>The asterisk denotes a statistically significant difference between warmed and ambient treatments at the 0.05 level, as derived from a two-way ANOVA followed by <i>post hoc</i> Tukey's test on the observation day. Data are means ±1SE.