| 11. | Red tide or dinoflagellate is one type of phytoplankton.
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| 12. | Some dinoflagellates have a theca of cellulose plates, and coccolithophorids have coccoliths.
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| 13. | Dinoflagellates are considered to be protists, with their own division, Dinoflagellata.
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| 14. | Tappan gave a survey of dinoflagellates with internal skeletons.
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| 15. | Dinoflagellate bioluminescence is controlled by a circadian clock and only occurs at night.
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| 16. | The parasitic dinoflagellate " Hematodinium " however lacks a plastid entirely.
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| 17. | By contrast, in diatoms and dinoflagellates, there can be multiple pyrenoids.
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| 18. | Puffer fish and some marine dinoflagellates also produce saxitoxin.
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| 19. | This organic compound has similarities to sporopollenin, but is unique to dinoflagellates.
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| 20. | In the coastal marine waters, this dinoflagellate causes glowing effects after dark.
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