A __________ removes excess sodium chloride from the blood of elasmobranchs and excretes it into the cloaca.
A) super kidney
B) osmotic gland
C) rectal gland
D) chloride gland
E) diffusion gland
Correct Answer:
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Q22: The vast majority of fish are
A)viviparous.
B)ovoviviparous.
C)oviparous.
D)brooders.
E)monoecious.
Q23: Which animals are not in the infraphylum
Q24: The grouping "Osteichthyes" is considered to be
A)monophyletic.
B)paraphyletic.
C)polyphyletic.
D)triphyletic.
E)biphyletic.
Q25: Fishes mostly regulate buoyancy by precisely regulating
Q26: Fishes that migrate between freshwater and marine
Q28: The semicircular canals of the inner ear
Q29: Some elasmobranchs,including hammerhead sharks,and guppies are
A)oviparous.
B)ovoviviparous.
C)omniviparous.
D)viviparous.
E)aviviparous.
Q30: The major osmoregulatory problems of saltwater fishes
Q31: Which group of fishes does not have
Q32: Elasmobranchs have solved some of their osmoregulatory
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