[Campbell Biology P.1190] According to the text and Figure 51.3, what specific environmental ... | Practice Question

According to the text and Figure 51.3, what specific environmental cue is timing the courtship behavior of fiddler crabs?

  • A: Daily cycles of daylight and darkness.
  • B: Seasonal variations in temperature.
  • C: The lunar cycle, specifically the new or full moon.
  • D: Changes in ocean salinity.

Explanation

The text clearly states that 'fiddler crab courtship behavior... is linked to the lunar cycle. Timing this claw-waving courtship behavior to the new or full moon helps the development of offspring.'