Challenging the Precious Pharyngula

We've seen that at various points in this debate over evolution and embryology, PZ Myers has disavowed that evolutionary processes should necessarily lead us to expect similarities between vertebrate embryos in their early stages. Thus, PZ has said things like "Neo-Darwinism does not predict that early development will be conserved" or "evolutionary theory predicts differences as well as similarities."

But at other times he has seemingly contradicted himself, claiming that evolutionary...