The external cue that animals use to discern the time of day is called a
A) period adjuster.
B) phase shift.
C) zeitgeber.
D) temporizer.
Correct Answer:
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Q1: A nocturnal animal is usually asleep during
Q2: A diurnal animal is awake during the
A)
Q3: In an experiment with hamsters in which
Q4: In the absence of light cues, hamsters
Q5: When a hamster or a person continues
Q7: The process by which an animal slowly
Q8: Entrainment of circadian rhythms refers to the
Q9: If the SCN were isolated from the
Q10: In mammals, what is the effect of
Q11: The "third eye" of birds and reptiles
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