Problem
An organism's activities can change at regular time intervals, called biological rhythms. The graph below depicts the activity level of a population of animals over a 48-hour period. Use the data presented in the graph to answer each of the following questions:
i. Identify and describe two factors that could affect the physiology and/or behaviors of the animal to result in the observed pattern of activity.
ii. Select one of the factors and make a prediction regarding its effect on the activity cycle of the animalJustify your prediction with evidence.