Animals with Open Circulatory Systems

question 27

Multiple Choice

Animals with open circulatory systems

• A) have only a pulmonary circuit.
• B) have only a systemic circuit.
• C) have circulation but no complete blood circuits.
• D) have arterioles but not venules.

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Definitions:

Variable Cost

Costs that change in proportion to the level of production or business activity, such as materials and labor.

Income Statement

A fiscal report displaying a business's incoming funds, outgoings, and profit for a designated time frame.

Relevant Range

The span of activity level within which the assumptions about variable and fixed cost behaviors hold true.

High-low Method

A technique used in managerial accounting to estimate fixed and variable costs by analyzing the highest and lowest levels of activity and the associated costs.