Three Flawed Evolutionary Models of Embryological Development and One Correct One

Throughout this series on PZ Myers, evolution, and embryology, we have discussed four models of vertebrate embryo development. To help further simplify this debate, these four models are illustrated below and described. Please note that the first three models are flawed in varying degrees, and that some of the descriptions adapt language from the arguments of PZ Myers and various scientific papers.

Model 1 -- Haeckelian Recapitulation:
Discussion: According to this model of embryogenesis...