Which Class Contains Members That, Due to Their High Activity

question 79

Multiple Choice

Which class contains members that, due to their high activity and resulting need for lots of oxygen, have a closed circulatory system?

• A)Bivalvia
• B)Scaphopoda
• C)Cephalopoda
• D)Gastropoda

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Definitions:

Operating Income

Earnings before interest and taxes (EBIT), representing the profit from a company’s ordinary, core business operations.

Contribution Format

An income statement layout that separates fixed and variable costs, allowing for the calculation of contribution margin and easier analysis of profitability.

Operating Income

A financial metric that shows how much of a company's revenue is left over after paying for variable costs of production like wages and raw materials.

Contribution Format

A method of income statement presentation that separates fixed costs from variable costs to show the contribution margin.