
The discovery of Caudipteryx is significant in evolutionary biology because it strengthened which one of the following hypotheses?
A) Vertebrates were the first group to develop a jaw.
B) An asteroid impact caused the extinction of dinosaurs.
C) The echinoderm endoskeleton is a trait that identifies them as a monophyletic group.
D) Feathers first evolved in running rather than tree-dwelling species.
E) Birds evolved from a dinosaur ancestor.
Correct Answer:
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