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|Posté le: Ven 18 Aoû - 11:59 (2017) Sujet du message: Networks of blood vessels in bats' wings serve only to
A) Sandactylus would not have had networks of blood vessels in the skin of its wings if these networks were of no use to Sandactylus.
B) All creatures that fly by flapping their wings have networks of blood vessels in the skin of their wings.
C) Winged dinosaurs that flapped their wings in flight would have been able to fly more effectively than winged dinosaurs that could only glide.
D) If Sandactylus flew by flapping its wings, then paleontologists would certainly be able to find some evidence that it did so.
E) Heat generated by Sandactylus in flapping its wings in flight could not have been dispersed by anything other than the blood vessels in its wings.
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