Which structure places a fish in the class Actinopterygii?
A) Swim bladder
B) Pharynx with gills
C) Nerve chord
D) Fleshy lobed fines
E) More flexible fins with less bone
Correct Answer:
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Q35: Placoid scales are found on:
A) fleshy-finned fishes.
B)
Q36: The two groups representing the "jawless" fishes
Q37: Which term describes an animal that lays
Q38: Salamanders are members of the order:
A) Apoda.
B)
Q39: The tetrapods include:
A) fish, amphibians, reptiles, and
Q41: Spiny echidnas are unlike other mammals in
Q42: Which of the below are living descendants
Q43: Marsupials include the:
A) cat.
B) armadillo.
C) opossum.
D) crocodile.
E)
Q44: Which term can be applied to both
Q45: In which group did the amniotic egg
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