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Salvo 30

Salvo 30

Column: Operation ID — Topic: IDSalvo #30

Heads or Tales

How Evolutionary Theory "Predicts" What It Finds by Casey Luskin


In Salvo 29, we saw that biology textbooks often overstate the degree of similarity between the earliest stages of vertebrate embryonic development when making the case for common ancestry. Some evolutionary biologists acknowledge that vertebrate embryos begin development very differently, but still claim that embryos pass through a highly similar stage midway through development, called the "pharyngula" (or also the "phylotypic" or "tailbud") stage.

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