Typically, when someone resorts to bullying, that’s an indicator they cannot defend themselves through arguments and must instead use other tactics.
PZ relies on mockery to deflect from the weaknesses in his arguments.
If PZ is correct that evolutionary biology predicts both similarities and differences among embryos, then evolutionary biology makes no predictions and is unfalsifiable regarding the similarities and differences in vertebrate development.
PZ is correct that recapitulation theory has been discarded by modern evolutionary biologists, but Jonathan M. and other ID proponents aren’t talking about Haeckel’s theory.
Leading embryologists argue that vertebrate embryos develop so differently that the pharyngular stage may not exist.