Multiple Choice
Which of the following statements about dinoflagellates is correct?
A) They possess two flagella.
B) All known varieties are autotrophic.
C) Their walls are usually composed of silica plates.
D) Many types lack mitochondria.
E) Their dead cells accumulate on the seafloor and are mined to serve as a filtering material.
Correct Answer:

Verified
Correct Answer:
Verified
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