Which vertebrate group is the most diverse?
A) Actinopterygii
B) Actinistia
C) Chondrichthyes
D) Mammalia
E) Reptilia
Correct Answer:
Verified
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
Q30: Why have populations of many ray-finned fish
Q31: A(n)_ protects the internal organs of ray-finned
Q33: Lampreys have reduced the size of commercial
Q34: A shark is a(n):
A)bony fish.
B)cartilaginous fish.
C)jawless fish.
D)amphibian.
E)invertebrate
Q35: The skeletons of rays and skates are
Q36: A lamprey is a(n):
A)bony fish.
B)cartilaginous fish.
C)jawless fish.
D)amphibian.
E)invertebrate
Q37: Chondrichthyes includes:
A)whales.
B)lampreys.
C)all fishes.
D)frogs.
E)sharks.
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