Multiple Choice
The suprachiasmatic nucleus (SCN) is active during the
A) day for diurnal species and during the night for nocturnal species.
B) day for nocturnal species and during the night for diurnal species.
C) day for both diurnal and nocturnal species.
D) night for both diurnal and nocturnal species.
Correct Answer:

Verified
Correct Answer:
Verified
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