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Fig. 4 | Biology Direct

Fig. 4

From: Tradeoff between robustness and elaboration in carotenoid networks produces cycles of avian color diversification

Fig. 4

Birds have shorter and more interconnected enzymatic pathways from dietary to plumage carotenoids than is expected by degree-preserving Erdos-Reyni randomization. Points on diagonal would indicate no difference between random and observed network characteristics. Data points are species network characteristics for either observed (y-axis) or randomized (under degree-preserving rewiring, x-axis) networks. SD is standard deviation for comparison of observed and randomized species networks. **indicates P < 0.01

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