The grouping "Osteichthyes" is considered to be
A) monophyletic.
B) paraphyletic.
C) polyphyletic.
D) triphyletic.
E) biphyletic.
Correct Answer:
Verified
Q19: Unlike other chondrichthians,the _ have a gill
Q20: Vertebrates are thought to have originated at
Q21: The networks of capillaries that filter blood
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
Q25: Fishes mostly regulate buoyancy by precisely regulating
Q26: Fishes that migrate between freshwater and marine
Q27: A _ removes excess sodium chloride from
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.
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