Swarming in polychaetes for reproduction appears to be timed by:
A) biorhythms of the animals.
B) lunar cycle and tides.
C) solar cycle and tides.
D) temperature.
E) current direction.

Question

Quizplus · Accepted Answer

Swarming in polychaetes is timed by the lunar cycle and tides. The swarming occurs during specific phases of the moon and at specific times of the tidal cycle to maximize the chances of successful reproduction.

Swarming in Polychaetes for Reproduction Appears to Be Timed By