Figure 2From: Longevity of Daphnia and the attenuation of stress responses by melatoninNeckteeth formation. Neckteeth production by D. pulex newborns whose mothers were or were not incubated with Chaoborus kairomone and were fed with C. klinobasis with or without addition of melatonin. Different letters indicate significant differences between treatments (Tukey’s HSD after two-way ANOVA, p <0.05, n = 5).Back to article page