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Descendants of Ancestor 3 evolved in high salt (red) and low-light (blue) environments have diverged in their P* and N* such that they can coexist. Neither descendant could coexist with the ancestor. ZNGIs (solid lines) and consumption vectors (dashed lines) for Ancestor 3 (black) and the descendant of Ancestor 3 selected in low light (blue) and high salt (red).
