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Pre-Test
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1
Which of the following characteristics distinguishes craniates from other nonvertebrate chordates?
A)Bone or cartilage endoskeleton
B)Neural crest
C)Cranium
D)(2) and (3)
E)(1), (2) and (3)
2
Which of the following statements about vertebrates is incorrect?
A)The presence of a liver is unique to vertebrates.
B)Among the classes of vertebrates, the most prevalent are the birds.
C)Most vertebrates possess two pairs of appendages.
D)Interlocking vertebrae protect the nerve cord and provide support for vertebrates.
E)All of the choices about vertebrates are correct.
3
During the evolution of animals, which one of the following features first appeared in the fishes?
A)A heart
B)A notochord
C)Hox genes
D)A vertebral column
E)A hinged jaw
4
True or False: Amphibians developed buccal pumps in order to adapt to breathing air on land.
A)True
B)False
5
True or False: Amphibians and reptiles are collectively referred to as amniotes.
A)True
B)False
6
Which of the following is not a characteristic of the amniotic egg?
A)The amniotic cavity is fluid filled
B)The allantois functions as a metabolic waste sac
C)The chorion provides for gas exchange
D)The yolk sac is holds nutrients for the developing embryo
E)All of the choices are characteristics of the amniotic egg
7
Which one of the following is not a uniquely mammalian characteristic?
A)Hair
B)External ears
C)Mammary glands
D)Specialized teeth
E)All of the choices are uniquely mammalian characteristics.





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