How is organismal biology changing in the era of genomics? Here, I discuss one example, the changes and trends in the systematics of reptiles and amphibians. The polymerase chain reaction, automated sequencing, and genomic tools now make it possible to apply a vast number of molecular characters to questions of phylogeny and species limits. At higher taxonomic levels, recent studies using these data have revealed some unexpected relationships, but also strong support for many traditionally recog
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