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  • noun Plural form of zooxanthella.


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  • "Corals live in a symbiotic alliance with tiny algae called zooxanthellae. Thanks to photosynthesis, the algae capture sunlight and use it to turn carbon dioxide into organic carbon, with oxygen as a waste product. of the process. The coral then uses the oxygen in its own metabolic cycle."

    —Steven Johnson, The Ghost Map (New York: Penguin, 2006), 6–7

    October 1, 2008