Which of the Following Is Not a Characteristic of Echinoderms

question 208

Multiple Choice

Which of the following is not a characteristic of echinoderms?

• A) Bilaterally symmetric larvae
• B) A network of water-filled canals leading to tube feet
• C) A water vascular system
• D) An internal skeleton of calcified plates
• E) An external skeleton of chitin

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Definitions:

Temptation

An urge or desire to perform an action that may be enjoyable in the short term but is generally considered unwise or detrimental in the long run.

User Cost

User cost comprises the costs associated with the use of a product or service, including wear and tear, maintenance, and the opportunity cost of forgone alternatives.

Extract

To remove or obtain a substance from a source through a process.

Resource

An asset or input used to produce goods and services, such as labor, capital, land, and knowledge.