Dinoflagellates ________.
A) possess two flagella
B) are all autotrophic
C) lack mitochondria
D) include species that cause malaria

Question

Quizplus · Accepted Answer

Dinoflagellates possess two flagella which they use for movement. They are named after their flagella - one is longitudinal and the other transverse.

Answer: B
 Not all dinoflagellates are autotrophic, some are heterotrophic and some are mixotrophic (able to switch between autotrophy and heterotrophy depending on environmental conditions).

Answer: C
 Dinoflagellates do have mitochondria, along with plastids (also called chloroplasts) and other organelles.

Answer: None of the above.
 Dinoflagellates do not cause malaria - it is caused by Plasmodium species, which are protists of a different type.