A Model Is Used by Ecologists to

question 1

Multiple Choice

A model is used by ecologists to

• A)prove how nature works by demonstrating cause-and-effect relationships.
• B)analyze data that have been collected during an experiment.
• C)make predictions about how nature works using a set of explicit assumptions.
• D)observe how nature works in an experimental setting.

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Definitions:

Manufacturing Overhead Cost

Indirect factory-related costs that are incurred when producing a product, such as utilities, depreciation, and maintenance.

Variable Cost Per Unit

The cost, which varies with the level of output, of producing one unit of a product.

Variable Cost

Payments that adjust in direct relation to the amount of production or sales, including raw materials and direct labor.

Total Variable Cost

The sum of all variable costs that change with the level of production, including materials, labor, and variable overhead.