A Trait That Serves One Purpose Today but Evolved Under

question 15

Multiple Choice

A trait that serves one purpose today but evolved under different selective conditions and previously had a different function

• A) is called an exaptation.
• B) is called an adaptation.
• C) is never favored by natural selection.
• D) cannot evolve.

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Definitions:

Variable Costs

Expenses that vary directly with the level of production or sales volume, such as materials and labor.

Fixed Costs

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

Unit Contribution Margin

The difference between the selling price per unit and the variable cost per unit, indicating how much each unit sold contributes to fixed costs and profit.

Variable Costs

Expenses that fluctuate directly with the volume of production or sales, such as raw materials and direct labor costs.