Fins composed of rod-shaped bones surrounded by thick layers of muscle are characteristic of
A) lampreys.
B) hagfishes.
C) cartilaginous fishes.
D) ray-finned fishes.
E) lobe-finned fishes.
Correct Answer:
Verified
Q30: Cartilaginous fishes differ from lampreys because they
A)
Q31: Which vertebrate group is the most diverse?
A)
Q32: A(n)_ protects the internal organs of ray-finned
Q33: Why are lampreys classified as vertebrates?
A) They
Q34: Most _have swim bladders.
A) jawless fishes
B) ray-finned
Q36: Lampreys differ from other vertebrates because they
Q37: Why have populations of many ray -finned
Q38: A shark is a(n)
A) invertebrate chordate.
B) jawless
Q39: Lungfishes are classified as
A) cartilaginous fishes.
B) ray-finned
Q40: The skeletons of rays and skates are
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