Which of the Following Is Strong Evidence for an Environmental

question 58

Multiple Choice

Which of the following is strong evidence for an environmental contribution to a behavior?

• A) Adopted children resemble their biological families with regard to a trait.
• B) Monozygotic twins have a higher concordance rate than do dizygotic twins.
• C) Dizygotic twins have a lower concordance rate than do monozygotic twins.
• D) Adopted children resemble their adopted families with regard to a trait.
• E) None of the above are correct.

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Definitions:

Long Run

A period in which all factors of production and costs are variable, allowing for adjustments in production processes.

Industry Profits

The total earnings of companies within a particular industry, after subtracting all costs from total revenue.

Economically Break Even

The point where total revenues equal total costs, resulting in zero economic profit.

Fixed Costs

Costs that do not vary with the level of production or sales, such as rent or salaries.