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The neck as key innovation to understand evolvability

Termin: 
Mo, 07.05.2018 - 17:15 Uhr
Treffpunkt: 
Poppelsdorfer Schloss
Ort: 
Hörsaal
Veranstaltungsart: 
Vortrag
Veranstaltungsreihe: 
Evolutionsbiologisches Kolloquium
Zielgruppe: 
Studierende
Vortragende/r: 
Dr. Christine Böhmer, Muséum Natinal d'Histoire Naturelle, Paris

A key event in vertebrate evolution was the development of a mobile and functionally distinct neck. However, assessing the macroevolutionary dynamics of the cervical vertebral column across different clades is complex due to the different numbers of bones in the neck (7 cervical vertebrae in most mammals, 10-26 cervical vertebrae in birds, und up to 76 cervical vertebrae in extinct marine reptiles).

Here, I will present the concept of modularity that separates the organism into homologous, semi-autonomous units to provide new insights into the evolution of the neck as key innovation facilitating the adaptive radiation of the extremely diverse four-limbed vertebrates known as tetrapods, such as amphibians, non-avian reptiles, birds, and mammals.

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Sektionsleiterin
+49 228 9122-241
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h [dot] waegele [at] zfmk [dot] de

Biologisches Kolloquium

Prof. Dr. H. Wägele
Zoologisches Forschungsmuseum Alexander Koenig,
Adenauerallee 160, 53113 Bonn
 
Prof. Dr. G. von der Emde
Institut für Zoologie, Poppelsdorfer Schloss,
Meckenheimer Allee 169, 53115 Bonn
 
Ort: Großer Hörsaal, Poppelsdorfer Schloß
Zeit: montags, 17.15 Uhr
 

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