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Table 6 Best fit phylogenetic generalized linear models (∆AICc < 3) explaining sperm head length in gastropods

From: Breeding system, shell size and age at sexual maturity affect sperm length in stylommatophoran gastropods

Model Model specification AICc ∆AICc Weight
SpermHGast1 Head length ~ 1 + Lifespan 235.2 0.00 0.143
SpermHGast2 Head length ~ 1 + Age 235.6 0.43 0.116
SpermHGast3 Head length ~ 1 + Breeding + Shell type 235.6 0.46 0.114
SpermHGast4 Head length ~ 1 + Age + Breeding + Shell type 236.3 1.07 0.084
SpermHGast5 Head length ~ 1 + Age + Breeding 236.4 1.21 0.078
SpermHGast6 Head length ~ 1 + Breeding + Lifespan + Shell type 236.4 1.23 0.078
SpermHGast7 Head length ~ 1 + Age + Reproduction 236.7 1.49 0.069
SpermHGast8 Head length ~ 1 + Lifespan + Reproduction 236.7 1.55 0.066
SpermHGast9 Head length ~ 1 236.9 1.68 0.062
SpermHGast10 Head length ~ 1 + Breeding + Lifespan 236.9 1.75 0.060
SpermHGast11 Head length ~ 1 + Age + Reproduction + Shell type 237.2 2.03 0.052
SpermHGast12 Head length ~ 1 + Age + Lifespan 237.5 2.27 0.046
SpermHGast13 Sperm length ~ 1 + Lifespan + Reproduction + Shell type 238.0 2.86 0.034
  1. Age: age at sexual maturity; Breeding: breeding system; Reproduction: reproductive mode
  2. Sample size: 57 species