The way in which most multicellular organisms have been classified has been the same for more than a century. Only recently have scientists developed the tools and knowledge to question the way we ...

To compare and classify a "living fossil," the coelacanth, in relation to a moray eel and a bull shark. Review with students the meaning of the phrase "living fossil" (an organism with a basic body ...

The mitochondrial genome (mtDNA) of Metazoa is a good model system for evolutionary genomic studies and the availability of more than 1000 sequences provides an almost unique opportunity to decode the ...