Table 1.
Intercept | Slope | r2 | P | |
---|---|---|---|---|
Head | ||||
Tracheae | −0.284±0.028 | 0.128±0.050 | 0.32 | 0.021 |
Air sacs | −0.598±0.174 | 0.498±0.105 | 0.16 | 0.005 |
Thorax | ||||
Tracheae | −0.221±0.025 | 0.067±0.029 | 0.28 | 0.037 |
Air sacs | −0.048±0.108 | 0.330±0.123 | 0.34 | 0.018 |
Abdomen | ||||
Tracheae | −0.209±0.021 | 0.088±0024 | 0.48 | 0.003 |
Air sacs | −0.223±0.127 | 1.068±0.156 | 0.77 | 0.001 |
Values are means ± SE, n = 16–18. For all regressions, slopes were significantly different from zero.