ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Echinoderms possess one of the most highly derived body architectures of all metazoan phyla, with radial symmetry, a calcitic endoskeleton, and a water vascular system,. How these dramatic morphological changes evolved has been the subject of extensive speculation and debate, but remains ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/39580
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