Which outcome occurs when ocean acidification increases beyond normal diel variation in reefs populated by zooxanthellae?

💡 Explanation

Coral bleaching prevalence rises because the symbiosis breaks down due to excess hydrogen ions; corals expel Zooxanthellae via a process known as photoinhibition. Therefore A is factual, rather than faster growth given acidic environment that would make it harder to make calcium carbonate for coral skeletons.

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