Posteriorly directed __________ on the ribs of birds overlap the next posterior rib and strengthen the rib cage.
A) uncinate processes
B) barbules
C) sternal zygapophyses
D) hamuli
E) annuli
Correct Answer:
Verified
Q2: The activity by which birds maintain a
Q3: Which of the following is NOT a
Q4: Evidence seems to indicate that the feathered
Q5: The occipital condyle is the point of
Q6: Birds,dinosaurs,and crocodilians are all
A)pterodactyls.
B)saurentians.
C)pterosaurs.
D)archosaurs.
E)plesiodactyls.
Q7: Fusion of posterior thoracic vertebrae,all lumbar vertebrae,all
Q8: The traditional classification system places birds in
Q9: Posterior caudal vertebrae in birds are fused
Q10: The covering of feathers on a bird
Q11: Anting,a common habit of many songbirds,involves picking
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