Which Statement About Circannual Rhythms Is False

Which statement about circannual rhythms is false?

A) The suprachiasmatic nuclei (SCN) also serve as the master clock for circannual rhythms.
B) An annual biological clock is important in timing migration.
C) Circannual rhythms help animals keep track of the time of year.
D) Endogenous circannual rhythms are especially important when changes in photoperiod are unavailable as seasonal cues.
E) An annual biological clock is important to hibernators.