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In 2005, a large algal bloom composed of _____ caused a toxic condition known as the "red tide" which closed shellfish harvesting off of Newfoundland, Maine, and Massachusetts.
a. cyanobacteria
b. diatoms
c. dinoflagellates
d. red algae

Verified Answer :

BravoDelta96

c. dinoflagellates are known to be mixotrophic plankton, which combines photosythensis and phagotrophy, or the ingestion of their prey.

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