Which of the Following Is an Example of How an Echinoderm

question 143

Multiple Choice

Which of the following is an example of how an echinoderm uses its tube feet to feed?

• A) Crinoids capture food particles in mucus secreted by the tube feet.
• B) Brittle stars use their tube feet to scrape algae from rocks.
• C) Sea stars filter phytoplankton from the water.
• D) Sea urchins grasp and gradually exhaust the shell muscles of bivalves.
• E) Sea cucumbers capture food with their posterior tube feet and pass it toward the mouth.

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Definitions:

Overhead Volume Variance

The difference between the budgeted and actual overhead costs, attributable to variations in production volume.

Fixed Overhead Items

Costs that do not change with the level of production or sales over a certain range, such as rent, salaries, and insurance.

Material Price Variances

The difference between the actual cost of materials and the standard cost multiplied by the actual quantity of materials used.