Punctuated Equilibrium Sign Video
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Definition
A model of evolution in which morphological evolutionary change is discontinuous, being associated primarily with discrete: geologically instantaneous events of speciation leading to phylogenetic branching; morphological evolutionary stasis characterizes species between episodes of speciation.
Source: Hickman, C.P., et al. 2011. Integrated Principles of Zoology. Fifteenth Edition. McGraw-Hill Higher Education.
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