Most Organisms Ardependent Upon Plants Because

question 27

Multiple Choice

Most organisms ardependent upon plants because

• A)plants produce oxygen as a by-product of photosynthesis.
• B)as producers, they form the base of food chains.
• C)they function to prevent erosion and reduce desertification.
• D)as they remove carbon dioxide from the atmosphere, they reduce the problems generated by the greenhouse effect.
• E)all of these apply.

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Definitions:

Variable Cost Per Unit

The cost that varies directly with the production volume; it rises as more units are produced and falls as fewer units are produced.

Fixed Manufacturing Cost

Costs that do not vary with the level of production, including salaries of managers and rent of the factory.

Production Volume

The total number of units of a product or service produced over a specific period of time.

Total Cost Data

The sum of all costs associated with the production or delivery of goods and services.