Which were the first tetrapods to move to land?
A) amphibians
B) reptiles
C) hagfishes
D) ray-finned fishes
E) monotremes
Correct Answer:
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Q19: A tunicate is a(n):
A)bony fish.
B)cartilaginous fish.
C)jawless fish.
D)amphibian.
E)invertebrate
Q20: The earliest vertebrates lacked:
A)a notochord.
B)gills.
C)jaws.
D)brains.
E)skeletons.
Q21: Fins composed of rod-shaped bones surrounded by
Q22: Lungfishes are classified as:
A)amphibians.
B)lobe-finned fishes.
C)jawless fishes.
D)ray-finned fishes.
E)cartilaginous
Q23: Lamprey populations introduced into the Great Lakes
Q25: Lampreys differ from other vertebrates because they
Q26: Most _ have swim bladders.
A)marine mammals
B)lobe-finned fishes
C)jawless
Q27: Why are lampreys classified as vertebrates?
A)They are
Q28: Parasitic lampreys have:
A)sucker-like mouths lined with teeth.
B)bony
Q29: What is the advantage of paired appendages?
A)They
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