Which characteristic differentiates hagfishes from other craniates?
A) skeletal elements surrounding the nerve cord
B) bony jaws
C) two-chambered hearts
D) lobe-like fins
E) a lack of gills
Correct Answer:
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Q12: Larval sea squirts:
A)live in fresh water.
B)display all
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A)appears only in
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A)jaws.
B)a
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