In Directional Selection,over Time

question 67

Multiple Choice

In directional selection,over time

• A)a population goes extinct.
• B)the most extreme outliers of a population are eliminated (e.g. ,the largest beaks and smallest beaks are eliminated).
• C)the population is strongly selected for in one direction (e.g. ,larger beak size).
• D)the population is strongly selected for in two directions (e.g. ,larger beak size and smaller beak size).
• E)a population increases its variation (E.g. ,a wide selection of all beak sizes).

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Definitions:

Fixed Costs

Costs that do not change with the level of output or activity, including salaries, rent, and insurance.

Activity Level

A measure of the amount of work or production a business undertakes, which can affect costs and efficiencies.

Total Cost Line

A graphical representation of how total costs change with changes in the level of activity or production volume.

Per Unit Cost

The cost associated with a single unit of product or service, calculated by dividing total costs by the number of units produced.