Jaws first occurred in which extant group of fishes?
A) lampreys
B) chondrichthyans
C) ray-finned fishes
D) lungfishes
E) placoderms
Correct Answer:
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Q8: Which of the following belongs to the
Q9: Which of these statements accurately describes a
Q10: The lamprey species whose larvae live in
Q11: Which group's members have had both lungs
Q12: To which of the following are the
Q14: The swim bladder of ray-finned fishes
A) was
Q15: What do all craniates have that earlier
Q16: Lampreys differ from hagfishes in
A) lacking jaws.
B)
Q17: Which of the following statements would be
Q18: A team of researchers has developed a
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