Experimental evolution with E. coli in diverse resource environments. I. Fluctuating environments promote divergence of replicate populations

Table 2 Comparison of direct fitness responses between different groups.

Comparison	Difference in direct response	P*
glu&mal set
glu vs. mal	-0.056	0.006 ^†
glu vs. glu/mal	-0.008	0.748
glu vs. glu+mal	-0.036	0.085
mal vs. glu/mal	0.048	0.114
mal vs. glu+mal	0.020	0.400
glu+mal vs. glu/mal	0.028	0.330
glu&lac set
glu vs. lac	-0.216	<0.001
glu vs. glu/lac	-0.084	0.036
glu vs. glu+lac	-0.094	<0.001
lac vs. glu/lac	0.132	0.012
lac vs. glu+lac	0.122	0.003
glu+lac vs. glu/lac	0.010	0.807

*Two-tailed t-test.
^†Values that remain significant (P < 0.05) following sequential Bonferroni correction for the six comparisons performed within each resource set are shown in bold.

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