marginally significantP = 0.051
Fecundity and maintenance costs A two‐way ANOVA revealed no effect of salinity on fecundity ( F 2,35 = 2.39, P = 0.11), but a marginally significant effect of selection ( F 3,35 = 2.86, P = 0.051) with the lowest fecundity in heat‐selected lines (Fig. 4 ).