But how exactly do we understand and use these devices? Tree diagrams have been used in evolutionary biology since the time of Charles Darwin. Therefore, one might assume that, by now, most ...

FOR long we have accepted as well-established and equivalent the five classes of vertebrate animals, but recent zoological ... of the vertebrate phylogenetic tree, most of the branches being ...

Evolution explains ... The oldest part of the diagram is the bottom where there was a common ancestor for all vertebrates. We are not sure what animal this is. Jawless fish first separated from ...

offers a new understanding of the intricate factors influencing the evolution of lower jaw morphology in these animals, known collectively as lepidosaurs. The researchers discovered that jaw shape ...