Which of the Following Classes Is Comprised of Carnivorous Predators

question 27

Multiple Choice

Which of the following classes is comprised of carnivorous predators that are able to extend their stomachs through their mouths to feed?

• A) Ophiuroidea
• B) Holothuroidea
• C) Asteroidea
• D) Crinoidea
• E) Echinoidea

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Definitions:

Variable Costs

Costs that change in proportion to the level of activity or volume of goods produced, including materials, labor, and energy costs.

Fixed Costs

Expenses that do not change with the volume of production or sales, such as rent and salaries.

Net Income

The amount of profit remaining after all operating expenses, taxes, and interest have been deducted from total revenue.

Variable Cost

Charges that directly correlate with the amount of goods produced or the level of output.