The Usage of the Insecticide DDT to Control Mosquitoes Resulted

question 39

Multiple Choice

The usage of the insecticide DDT to control mosquitoes resulted in

• A) directional selection to insecticide resistance in the insects.
• B) stabilizing selection to insecticide resistance in the insects.
• C) disruptive selection to insecticide resistance in the insects.
• D) genetic drift to insecticide resistance in the insects.
• E) no change in the insect population.

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Definitions:

Margin

The difference between the selling price of a product and its cost of production.

Net Operating Income

A measure of a company's profitability from its regular business operations, excluding income from investments or taxes.

Operating Asset

Resources owned by a company that are used in its day-to-day operations to generate revenue, such as machinery, buildings, and equipment.

Return on Investment

A performance measure used to evaluate the efficiency or profitability of an investment.