East Asians who have emigrated recently from India and Pakistan to northern areas of
the United Kingdom have a higher incidence of rickets and osteoporosis than the
general British population. This phenomenon illustrates that
A. natural selection continues today.
B. genetic adaptation of environmental stressors can occur within one generation.
C. cultural adaptation provides effective shortcuts to those that are genetically
disadvantaged in a foreign environment.
D. because of global warming, the lack of sunlight that people are exposed to in the
northern regions is made up for by the intensity of the sunlight.
E. natural selection’s role in determining skin color is a thing of the past, relevant only
prior to the 16th century, when massive population migrations altered the geographic
distribution of dark-skinned people.
Who are peasants?
A. people who ignore social norms of behavior
B. small farmers who own their own land and sell all their crops to buy necessities
C. rural people who produce food for their own subsistence but also sell their surpluses
D. anyone who lives in the country
E. anyone who falls below the poverty line