Which of the Following Statements Concerning Biological Clocks Is False

Multiple Choice

Which of the following statements concerning biological clocks is false?

A) Movement of plants long distances very quickly induces a kind of plant "jet lag."
B) Biological clocks are strongly influenced by external temperatures.
C) Circadian rhythms occur with or without external stimuli.
D) Innate circadian rhythms generally differ slightly from a 24- hour period.