The Net Weight of All of the Organisms Living in an Ecosystem

question 22

Multiple Choice

The net weight of all of the organisms living in an ecosystem is its

• A)productivity.
• B)biomass.
• C)vital force.
• D)photosynthesis minus metabolism.

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Definitions:

Total Variable Expenses

The sum of all costs that vary directly with the level of production or sales volume over a specific period.

Degree of Operating Leverage

A financial metric that measures the sensitivity of a company's operating income to its sales volume.

Break-even Point

The level of production or sales at which total revenues equal total expenses, resulting in no net loss or gain.

Contribution Margin

The amount by which sales revenue exceeds variable costs. It contributes to covering fixed costs and generates profit.