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Figure 4 | BMC Evolutionary Biology

Figure 4

From: Rapid evolution of cooperation in group-living animals

Figure 4

Fitness affects only death or reproduction. Assortment at different cost-benefit ratios and different frequencies of cooperators in the baseline scenario (n max  = 10, m = 0.02). (a) No selection (s = 0). (b) Fitness affects birth and death (s = 0.5). (c) Fitness affects only death (s = 0.5). (d) Fitness affects only reproduction (s = 0.5).

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