Examples of Density-Dependent and Density-Independent Factors That Affect Mammal Populations

question 7

Multiple Choice

Examples of density-dependent and density-independent factors that affect mammal populations would be,respectively,

• A)fires and hurricanes.
• B)disease and fires.
• C)fires and disease.
• D)food supply and disease.
• E)disease and food supply.

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Definitions:

Fixed Cost

Costs that do not vary with the volume of production or sales, such as rent, salaries, and insurance premiums.

Variable Cost

Costs that change in proportion to the level of production or business activity.

Fixed Cost

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

Present Value

The current worth of a future sum of money or stream of cash flows given a specified rate of return.