Which of These Statements About Dinoflagellates Is False

question 70

Multiple Choice

Which of these statements about dinoflagellates is False?

• A)They possess two flagella.
• B)Some cause red tides.
• C)Their walls are composed of cellulose plates.
• D)Many types contain chlorophyll.
• E)Their dead cells accumulate on the seafloor, and are mined to serve as a filtering material.

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Definitions:

Bladder

An organ that stores urine produced by the kidneys before it is excreted from the body.

Uric Acid

Nitrogen-containing waste compound derived from ammonia; it can be excreted as crystals.

Ammonia

A colorless gas with a pungent smell, consisting of nitrogen and hydrogen (NH3), used in various industrial processes.

Urea

A nitrogenous compound produced in the liver and excreted in urine, functioning as the principal nitrogenous waste product of metabolism in mammals.