Which of the Following Is the Best Example of 'Genetic

question 50

Multiple Choice

Which of the following is the best example of 'genetic adaptation'?

• A) If a person who is not naturally strong works hard to build up a fit muscular physique, his or her children will be born strong and fit.
• B) A giraffe that is born with a long neck will eat better and therefore survive better than a giraffe with a short neck, and then reproduce more giraffes with long necks, who in turn will be more likely to survive to produce offspring.
• C) A giraffe that stretches its neck by reaching upwards to eat will have babies with longer necks than babies born to giraffes who do not stretch their necks.
• D) A blacksmith who develops his or her arm muscles through hard work at the forge may have children who end up with strong arms, too, if they take on blacksmithing.
• E) Runners from Kenya and Jamaica are born with a genetic advantage that makes them more likely to win in Olympic track and field events

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Definitions:

Marginal Revenue

The increase in revenue that results from selling one additional unit of a product or service.

Demand Curve

A graph showing the relationship between the price of a good and the amount of that good that consumers are willing to purchase at various prices.

Elastic Segment

A portion of the demand curve where consumers are highly responsive to changes in price, indicating elasticity.

Total Revenue

The total amount of money received by a company for goods sold or services provided during a specific period.