Birds are different from reptiles in all of the following features except
A) endothermy.
B) their lack of teeth.
C) the presence of feathers.
D) the presence of a flight skeleton.
E) bipedalism.
Correct Answer:
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Q29: Which of the following living reptiles care
Q30: Small,fishlike marine chordates,pointed at both ends with
Q31: Mammals are thought to have evolved from
A)thecodonts.
B)therapsids.
C)dinosaurs.
D)marsupials.
E)archosaurs.
Q32: Mammals are the only vertebrates to possess
A)hair.
B)single
Q33: Which of the following is considered the
Q35: Birds,like mammals,can regulate their body temperatures within
Q36: It is generally accepted that the vertebrates
Q37: The changes that were necessary to cope
Q38: The mucous sheet produced by the endostyle
Q39: In addition to a vertebral column,all vertebrates
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