A circadian cycle is about __________ hours long
a) 1.5
b) 12
c) 6
d) 24
d
You might also like to view...
The Rorschach tends to ____ emotionally disturbed individuals
a. accurately identify b. underestimate the number of c. overestimate adults but not children as d. identify over half of normal subjects as
The study of motivation is complex because it cannot be directly observed, only
a. assumed to exist. c. inferred from behavior. b. compared with other behavioral forces. d. subjectively viewed.
Researchers studying two species of frogs found that one species seemed to be more numerous in ponds with lots of fishes whereas the other species was more numerous in ponds with relatively fewer fishes. Using your understanding of the evolutionary concept of fitness, choose the statement that best describes the situation.
a. It is only a matter of time before one of these species becomes more numerous in both ponds because certain traits are reproduced more successfully than others regardless of environment. b. It is likely that the two species differ in a trait that makes one better suited to ponds with lots of fishes and one better suited to ponds with fewer fishes. c. Both species are likely to become extinct in the near future as neither can successfully cohabit with fishes. d. Over time the numbers of the two species will become more equal, regardless of the type of pond they inhabit.
Some researchers believe that the body has mechanisms to keep your body weight within a small range. For example, if you began eating more calories than usual, your body may increase its energy expenditure to keep your weight within the range
This range is referred to as the body's ___________. A) mass index B) set point C) energy balance D) resistance point