Which Is NOT an Example of Evolution

question 15

Multiple Choice

Which is NOT an example of evolution?

• A) Flightless birds living on islands without predators
• B) The development of antibiotic-resistant bacteria
• C) Annual changes in the flu virus due to mutations
• D) The 2- to 3-year effectiveness of most commercial pesticides in killing insects
• E) A dog learning how to open the cabinet where its food is kept

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Definitions:

Variable Cost

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

Fixed Cost

Expenses that do not change in proportion to the level of production or business activity.

Mixed Cost

A cost that contains both variable and fixed cost elements, changing in total with activity level but not proportionately.

Manufacturing Cost

The total cost incurred by a company to produce goods, including direct materials, direct labor, and manufacturing overhead expenses.