TABLE 4.
Linear mixed effects models for the effects of evolutionary treatment and maternal size on fecundity across three generations (G0, G1, G2), with ancestral G0 cultures reared within feeding blocks of four.
| Effect | Df | Mean squares | F | p |
|---|---|---|---|---|
| G0 | ||||
| Treatment | 1, 11.15 | 0.83 | 0.05 | 0.83 |
| Maternal Size | 1, 102.98 | 206.72 | 11.38 | 0.001 |
| Treat × Size | 1, 114.55 | 3.11 | 0.17 | 0.68 |
| Block | 4, 10.98 | 10.98 | 0.48 | 0.75 |
| Culture (Treat) | 16.10 | |||
| G1 | ||||
| Treatment | 1, 9.99 | 8.75 | 0.27 | 0.62 |
| Maternal Size | 1, 183.48 | 863.73 | 26.38 | <10 −6 |
| Treat × Size | 1, 183.95 | 0.99 | 0.03 | 0.86 |
| Block | 4, 10.57 | 9.39 | 0.29 | 0.88 |
| Culture (Treat) | 30.30 | |||
| G2 | ||||
| Treatment | 1, 234 | 383.72 | 7.44 | 0.007 |
| Maternal Size | 1, 234 | 165.44 | 3.86 | 0.051 |
| Treat × Size | 1, 234 | 342.10 | 6.69 | 0.01 |
| Block | 4, 234 | 271.44 | 5.36 | <10 −3 |
| Culture (Treat) | 49.71 | |||
Note: p values are provided for tests of interest, significant effects are specified in bold, and random effect is specified in italics. Degrees of freedom (df) reported as numerator df, denominator df. n low = 9 in G0–2 and n high = 10, 9, and 8 in G0, G1 and G2, respectively.