To focus on near objects,the amphibian lens is moved forward by the __________ muscle.
A) retractor pencil
B) posterior adductor
C) protractor lentis
D) anterior adductor
E) spectator
Correct Answer:
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Q30: Much of the movable lower eyelid of
Q31: _ is a series of abrupt structural,physiological,and
Q32: The _ of the amphibian heart receives
Q33: Because amphibians depend on external sources of
Q34: This type of organism has been implicated
Q36: The outermost structure of the ear of
Q37: In their feeding habits,most adult amphibians are
A)herbivores.
B)carnivores.
C)sanguinivores.
D)frugivores.
E)scavengers.
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Q40: In anurans,long hind limbs and powerful muscles
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