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Fig. 3. The hierarchical/conceptual relationships among phenotypic plasticity,
natural selection, and genetic assimilation or phenotypic accommodation.
Plasticity is a developmental process on which the evolutionary mechanism of
selection may operate, yielding the evolutionary outcome (under certain
conditions) of assimilation/accommodation. Seen this way, there is no
possibility of confusing plasticity as ontologically equivalent to natural
selection, and therefore somehow a threat to the Modern Synthesis.