Question: Which group of organisms is most commonly responsible for red tides?
Answer: dinoflagellates
Disambiguated annotations:
qaPairs: question: Which broad group of organisms is most commonly responsible for red tides?
answer: protozoans and unicellular algae
algae
algal blooms
dinoflagellates and diatoms
aquatic microorganisms
question: Which species of organisms is most commonly responsible for red tides?
answer: Gymnodinium nagasakiense
question: Which species of organisms is most commonly responsible for red tides in Florida?
answer: Karenia brevis
question: Which group of organisms is most commonly responsible for red tides off California?
answer: Pseudo-nitzschia