In the Section "Investigating Life: Sniffing Out the Origin of Feathers",what

Question 108
Multiple Choice

In the section "Investigating Life: Sniffing Out the Origin of Feathers",what conclusion did the scientists deduce about the origin of feathers? A)Endothermy arose before feathers. B)Ectothermy arose before feathers. C)Endothermy arose after feathers. D)Ectothermy arose after feathers. E)Dinosaurs had feathers.