Which of the following statements best describes the jawless fishes?
A) Ectotherms that have a bony skeleton.
B) Ectotherms that have a smooth nonscaly skin.
C) Endotherms that have a smooth nonscaly skin.
D) Vertebrates that have scales and are ectothermic.
Correct Answer:
Verified
Q1: The following are differences between amphibians and
Q3: Which feature would have given the jawed
Q4: All of the following are characteristics of
Q5: A notochord is
A)a strip of cartilage that
Q6: Which of these is NOT one of
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
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