Lampreys differ from other vertebrates because they lack
A) metabolism.
B) gills.
C) jaws.
D) hearts.
E) skulls.
Correct Answer:
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Q29: What is the advantage of paired appendages?
A)
Q30: The characteristic that separates cartilaginous fishes from
Q31: The skeletons of rays and skates are
Q32: Why are lampreys classified as vertebrates?
A) They
Q33: Chondrichthyes includes
A) all fishes.
B) lampreys.
C) sharks.
D) frogs.
E)
Q35: Lamprey populations introduced into the Great Lakes
Q36: Fins composed of a web of skin
Q37: Which vertebrate group is the most diverse?
A)
Q38: Why have populations of many ray- finned
Q39: Most have swim bladders.
A) jawless fishes
B) ray-
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