Which of the following is an external marker that helps us set up 24-hour sleep rhythms?
a. hunger
b. physical activity
c. light and darkness
d. lunar patterns
ANSWER: c
You might also like to view...
Anthropologists have found that in virtually all traditional cultures, the transition to adulthood is clearly and explicitly marked by ____.
a. marriage b. leaving the parental household c. the birth of the first child d. completing secondary education
Suppose twin teenagers are vying for their mother's attention. The mother is trying to pay attention to one of her daughters, though both girls are talking (one about her boyfriend, one about a school project). According to the operating characteristics of Treisman's attenuator, it is most likely the attenuator is analyzing the incoming messages in terms of
a. physical characteristics. b. language. c. meaning. d. direction.
A sensitive period is ____.
A. any time in an organism's life when it is sensitive to hormones released by the sexually dimorphic nucleus B. an early period when a hormone has a long lasting effect C. an early period when a hormone has an intense, but brief, effect D. a period of time, usually once a month, when hormones are released
According to Donald Super, during the second or _________ , from about 11 through high school, children base their choices on their interests, abilities, and limitations, as well as glamour
A) fantasy stage B) realistic choice stage C) tentative choice stage D) maintenance stage