What term refers to seasonal changes in the relative lengths of night and day?
A)photoperiod
B)circadian rhythm
C)gravitropism
D)phototaxis

Question

Quizplus · Accepted Answer

Photoperiod refers to the seasonal changes in the relative lengths of night and day. Circadian rhythm refers to the 24-hour rhythm of physiological and behavioral processes. Gravitropism refers to the growth of plants in response to gravity. Phototaxis refers to the movement of an organism towards or away from light.

What Term Refers to Seasonal Changes in the Relative Lengths