The man who mistook himself for a fish
Over at Pharyngula, PZ Myers (who is a cladist) has written an entertaining but misguided post titled, Yes, you are a fish. In today’s post, I’ll argue that the key to classifying organisms correctly isn’t phylogeny, anatomy or genetics; it’s embryology. Only embryology can tell us something specific about an organism’s past and present characteristics, as well as resolving disputes about taxonomic categories. The importance of taxonomy to biology cannot be overstated. To put it bluntly: you cannot hope to understand organisms properly unless you know how to classify them. During the past few decades, there has been a move away from the traditional approach (favored by Linnaeus and later by Richard Owen) of classifying living creatures on the basis Read More ›