Tetrapod - Bog

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Researchers have brought up evidence which contradicts the current understanding of the anatomy of the first four-legged animals. For more than 100 years, early tetrapods were thought to have vertebrae composed of three sets of bones - one bone in front, one on top, and a pair behind but were these information genuine? Experts have replied to the question with solid proofs! Armed with 3D models of fossil remains, the scientists have demonstrated that previous renderings of the position of the beasts' backbones were actually back-to-front. Moreover, the researchers have made use of the European Synchrotron Radiation Facility (ESRF) to bombard the 360-million-year old fossils with high energy X-rays. This enabled them to create detailed computer reconstructions of the prehistoric animals. The very first conclusion that the scientists have made is that the vertebrae are actually structurally completely different from what everyone for the last 150 or so years has pictured...