Figure 141 Represents a Petri Dish with a Fungus (F), Shown

question 37

Multiple Choice

Figure 14.1 represents a Petri dish with a fungus (F) , shown in darker gray, growing in the midst of bacterial lawn (B) , shown in light gray. The relationship between the fungus and the bacteria would best be described as

• A) synergistic.
• B) amensal.
• C) commensal.
• D) parasitic.
• E) None, there is no relationship between the microbes.

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Definitions:

Contribution Margin

The contribution margin is the revenue from a product or service minus the variable cost, indicating how much contributes to covering fixed costs and generating profit.

Net Income

A company's overall income following the subtraction of all costs, taxes, and expenses from its gross revenue.

Unit Sales Price

The amount charged to customers for a single unit of a product or service.

Fixed Costs

Costs that do not vary with the level of production or sales, including rent, salaries, and insurance premiums.