Which scenario best illustrates the concept of migration?
a. Twelve thousand years ago Native Americans traversed the Bering Strait to settle in the Americas, causing different genetic traits to be favored over others.
b. The genetic mutation that causes sickle cell anemia also increases resistance to malaria, increasing the frequency of the diseased allele in the general population.
c. The prevalence of depression is greater in populations where the serotonin transporter gene translocated to position q21 along chromosome 17.
d. There is a higher than average rate of Ellis-van Creveld syndrome in the Amish community because the diseased allele was introduced by some original Amish settlers.
ANSWER:
a
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When people respond to each other in similar ways, which factor in interpersonal attraction is taking place?
a. reciprocity b. homogamy c. unilateral exchange d. social conformity
Which statement is NOT a reason why, according to Piaget, young children cannot grasp the notion of conservation? Young children:
A) fail to distinguish between the objective and the subjective. B) believe that the world is as it seems. C) distinguish between appearances and realities. D) do not understand the difference between the world and their mental representation of it.
Research on child care in infancy has found that __________
A) the majority of babies in child care display an insecure?resistant attachment to their mothers B) exposure to child care exerts a more powerful impact on children’s adjustment than parenting quality C) infants and toddlers who experience daily, nonparental child care are at risk for attachment insecurity D) the relationship between child care and emotional well-being depends on both family and child-care experiences
Using a pencil to draw a smiley face on a sheet of paper is an example of a ____
a. gross motor skill b. fine motor skill c. ambidextrous motor skill d. elementary motor skill