Table 5. Results of the correlation analyses of PGLS of rate of microstructural karyotypic diversification (rKDmicro) with metabolic, reproductive and geographic variables.

Response	Model	Characteristic	Traits	t	P	d.f.	λ	AIC	ΔAIC
rKDmicro	Simple	Metabolic	Body mass	−0.20	0.839	207	0.92	73.77	5.17
			Metabolic rate	0.06	0.948	207	0.92	73.80	5.2
		Reproductive	Longevity	−2.28	0.023	207	0.92	68.60	0
			Litters per year	0.32	0.743	207	0.92	73.70	4.9
			Sexual maturity age	−1.21	0.224	207	0.92	72.34	3.74
		Geographic	Geographic range	−0.51	0.607	207	0.92	73.54	4.94
	Multiple	Metabolic	Longevity × body mass		0.132	205	0.92	72.11	3.31
		Reproductive	Litters per year × longevity		0.031	205	0.93	68.92	0.32
			Sexual maturity age × longevity		0.084	205	0.92	71.08	2.48

Abbreviations: AIC, Akaike's information criterion; PGLS, phylogenetic generalized least squares regression.

The best models are shown in bold.