Fitness costs may explain the post-colonisation erosion of phenotypic plasticity.

Abstract excerpt

Many organisms can adjust their phenotypes to match local environmental conditions via shifts in developmental trajectories, rather than relying on changes in gene frequencies wrought by natural selection. Adaptive developmental plasticity confers obvious benefits in terms of rapid response and higher mean fitness, so why is it not more common? Plausibly, adaptive plasticity also confers a cost; reshaping the...

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