East Asians Who Have Emigrated Recently from India and Pakistan

question 75

Multiple Choice

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 16^th century, when massive population migrations altered the geographic distribution of dark-skinned people.

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Definitions:

Quantity Demanded

A specific quantity of a good that buyers are interested in purchasing at a certain price point.

Law of Demand

The principle that, ceteris paribus, there is an inverse relationship between the price of a good and the quantity demanded.

Quantity Demanded

The amount of a product or service consumers are willing to buy at a given price.

Demand Curve

A graphical representation showing how the quantity of a good or service demanded by consumers changes at different price levels.