Sharks that are ____ incubate their eggs within the mother's body.
A) oviparous
B) viviparous
C) ovoviviparous
D) placental
E) eutherial
Correct Answer:
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Q22: The coelacanth is found in the class:
A)
Q23: The amphibians are believed to have arisen
Q25: Extinct jawless fish include the:
A) lungfishes.
B) lancelets.
C)
Q27: Sharks detect motion in the water or
Q31: Hagfishes are differentiated from lampreys and all
Q32: Which term describes an animal that lays
Q34: There are about _ identified species of
Q35: Placoid scales are found on:
A) fleshy-finned fishes.
B)
Q37: The heart of amphibians has _ chambers.
Q38: Salamanders are members of the order:
A) Apoda.
B)
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