Table 2.

Results of phylogenetic multiple regression analyses, showing the five models with the best fit based on AIC values (for full results see Supplementary File S8). The results are provided for Tree 2 and an epsilon of 0.5. Correlation coefficients (r²), AIC, and P-values are shown for each model, along with P-values for each trait in each model.

Traits included in model	r 2	AIC	P-value	Trait	P-value
dioecy, non-marine habitat, parasitism, skeleton, vision	0.740	152.50	<0.000	dioecy	0.130
				non-marine habitat	0.144
				parasitism	0.001
				skeleton	0.002
				vision	0.114
non-marine habitat, parasitism, skeleton, vision	0.710	153.48	<0.000	non-marine habitat	0.028
				parasitism	0.003
				skeleton	0.002
				vision	0.097
dioecy, parasitism, skeleton, vision	0.712	153.28	<0.000	dioecy	0.025
				parasitism	0.000
				skeleton	0.003
				vision	0.019
dioecy, non-marine habitat, parasitism, skeleton	0.708	153.75	<0.000	dioecy	0.111
				non-marine habitat	0.024
				parasitism	0.001
				skeleton	0.001
non-marine habitat, parasitism, skeleton	0.673	154.91	<0.000	non-marine habitat	0.001
				parasitism	0.002
				skeleton	0.001