Which of the Following Statements Is TRUE Regarding Radiolarians

question 86

Multiple Choice

Which of the following statements is TRUE regarding radiolarians?

• A)They possess shells composed of calcium carbonate.
• B)The shells of these organisms are relatively simple, and only appear as circles.
• C)The composition of their shells is unique among protists  no other protists possess shells of silica.
• D)They likely evolved as a result of high sulfide levels in Earth's oceans.
• E)None of the answer options is correct.

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Definitions:

Vital Capacity

The maximum amount of air a person can expel from the lungs after a maximum inhalation.

Inspiratory Capacity

The maximum amount of air that can be inhaled after the end of a normal, relaxed expiration, combining tidal volume and inspiratory reserve volume.

Pulmonary Respiration

The process of exchanging oxygen and carbon dioxide between the lungs and the environment; also known as breathing.

Pulmonary Ventilation

The process of moving air in and out of the lungs, facilitating gas exchange with the external environment.