The jawed fish and all other vertebrates are gnathostomes,which means they have
A) segmentation.
B) jaws.
C) a notochord that develops into a vertebral column.
D) amniotic eggs.
E) exoskeletons
Correct Answer:
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Q7: Which of the following features are shared
Q8: Which feature is found in the bony
Q9: Amphibians evolved from
A)darters.
B)sharks.
C)bass and bluegill.
D)sturgeon and catfish.
E)lobe-finned
Q10: Which of these characteristics is NOT found
Q11: In some chordates,the _ is (are)replaced by
Q13: Which of the following reptilian features enabled
Q14: _ were the first vertebrates to live
Q15: The four defining characteristics of chordates are
A)segmentation,a
Q16: The vertebrates that lack jaws are called
A)rays.
B)turtles.
C)lampreys.
D)eels.
Q17: If the only chordate characteristic that adult
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