Which Is an Example of an Ecosystem Engineer

question 37

Multiple Choice

Which is an example of an ecosystem engineer?

• A) beavers, which build dams on streams
• B) termites, which build very large hives and eat the wood in buildings
• C) bees, which pollinate many types of flowers and crops
• D) zebra mussels, which clog water intake structures

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Definitions:

Variable Costs

Costs that move in parallel with the rate of goods or services output.

Sensitivity Analysis

The study of how the variation in the output of a model can be attributed to different variations in the inputs of the model, used to predict the impact of changes in economic variables.

Earnings Before Taxes

The income a company generates before taking into account the income tax expense.

Sales Price

The amount a buyer pays to purchase a product or service.