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.
b
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In what way is the facial expression of fear useful to the person expressing it? a. Raising the skin of the forehead is best for camouflaging from a predator. b. A wide-open mouth is best for detecting a gust of wind
c. Inhaling deeply is best for detecting a dangerous smell. d. Wide-open eyes are best for locating a dangerous object.
Darrel was dancing with his new girlfriend at an Elvis tribute. When the band started playing, "Can't Help Falling in Love with You," his girlfriend gave him a long, passionate kiss, which Darrel found very enjoyable. Now Darrel finds that every time he hears "Can't Help Falling in Love with You" on the radio, he becomes mildly excited. In this example, the long, passionate kiss is
a. a conditioned stimulus. b. an unconditioned response. c. a conditioned response. d. an unconditioned stimulus.
For which of the following has Piaget’s theory of cognitive development been criticized?
a. ?Piaget overestimated the capabilities of young children. b. ?Piaget viewed the developing child in relative isolation from his or her family, community, and culture. c. ?Piaget specified the wrong mechanisms responsible for moving from one stage to the next. d. ?Piaget focused too much on the variability of individual cognitive development.
The explanation of dreaming that places the LEAST importance on the underlying meaning of dreams is the ____________ approach
A) problem-solving B) psychoanalytic C) Freudian D) activation-synthesis