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:

Reference Value

The benchmark or standard against which the performance or value of a product or service is compared.

Extra Value Meal

A marketing offer by fast-food restaurants where a combination of items is sold together at a reduced price, compared to buying each item separately.

Profit Equation

Profit = Total revenue − Total cost; or Profit = (Unit price × Quantity sold) − (Fixed cost + Variable cost).

Total Revenue

the overall income generated by a business from its operations, before any expenses are deducted.