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Table 1 Statistics of neckteeth formation

From: Longevity of Daphnia and the attenuation of stress responses by melatonin

  df F p
Chaoborus (Ch) 1, 8 94.0 < 0.001
Melatonin (M) 1, 8 7.49 0.026
Ch×M 1, 8 3.72 0.09
  1. Results of the two-factorial ANOVA (df=degrees of freedom) for the neckteeth formation of D. pulex which were or were not incubated with Chaoborus extract (factor “Chaoborus”) and with or without addition of melatonin (factor “Melatonin”).