A Population of Beetles in Which Some Individuals Are Blue

question 2

Multiple Choice

A population of beetles in which some individuals are blue and some individuals are green evolves by chance because more alleles of one color are transmitted to the next generation than alleles of the other color. This mechanism of evolution is known as

• A)natural selection.
• B)mutation pressure.
• C)genetic drift.
• D)gene flow.

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Definitions:

Fixed Cost

Expenses that do not vary with the level of output or sales, such as rent, salaries, and insurance.

Variable Cost

Costs that vary directly with the level of production or output, such as raw materials and direct labor expenses.

Total Cost

The complete cost of production that includes both variable and fixed expenses.

Marginal Cost

The financial outlay required to produce an additional single unit of a product or service.