Dinoflagellates are best described as

A) protozoans that use cilia to move and feed.
B) a clade of protists including unicellular autotrophs, heterotrophs, and mixotrophs
C) parasitic diatoms that must spend part of their life cycles in vertebrate hosts.
D) large, multicellular algae that resemble plants but do not have true leaves, stems, or roots.


Answer: B

Biology & Microbiology

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