Fins composed of a web of skin covering thin, bony spines are characteristic of
A) hagfishes.
B) lampreys.
C) cartilaginous fishes.
D) lobe- finned fishes.
E) ray- finned fishes.
Correct Answer:
Verified
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)
Q34: Lampreys differ from other vertebrates because they
Q35: Lamprey populations introduced into the Great Lakes
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-
Q40: Fins composed of rod- shaped bones surrounded
Q41: Amphibians are not especially successful land- dwellers
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