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Author Topic:   Discussion on Creation article...
Clark
Inactive Member


Message 82 of 95 (340689)
08-16-2006 11:26 PM
Reply to: Message 68 by Quetzal
08-15-2006 7:03 PM


PZ Myers had a post on this subject today.
Page not found | ScienceBlogs
Recent studies of non-avian theropod dinosaurs have documented several features once thought solely to characterize living birds, including the presence of feather-like integumentary specializations, rapid, avian-like growth rates, 28, and even bird-like behaviours captured in the fossil record. Either implicitly or explicitly, these studies have linked anatomical, physiological or behavioural inferences with an increased metabolic potential, suggesting that if not bird-like in metabolism, theropods were at least 'more similar' to birds than to reptiles. Our study indicates that basal neotheropods possessed the anatomical potential for flow-through ventilation of the pulmonary system, emphasizing the early evolution of respiratory adaptations that are consistent with elevated metabolic rates in predatory dinosaurs.

This message is a reply to:
 Message 68 by Quetzal, posted 08-15-2006 7:03 PM Quetzal has replied

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