What characteristic of hagfishes differentiates them from lancelets and tunicates?
A) Bony jaws
B) Skull surrounding the brain
C) Gills
D) Dorsal nerve cord
E) Post-anal tail
Correct Answer:
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Q15: The discovery of a coelacanth in South
Q16: Which of the following features is absent
Q17: In vertebrates, the analogous structure to the
Q18: What is the function of the vertebral
Q19: Which of the following is present in
Q21: Parasitic lampreys have
A) radial proportions.
B) sucker-like mouths
Q22: What is the advantage of paired appendages?
A)
Q23: Chondrichthyes includes
A) lampreys.
B) whales.
C) all fishes.
D) sharks.
E)
Q24: A lamprey is a(n)
A) amphibian.
B) bony fish.
C)
Q25: Lamprey populations introduced into the Great Lakes
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