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Which risk increases for desert succulents following unexpectedly heavy rainfall?

A)Stomatal flooding decreases gas exchange
B)Opportunistic pathogen growth accelerates
C)Photorespiration rate increase predominates
D)Over-rapid growth bursts dehydrate tissues

💡 Explanation

Excessive water causes increased pathogen reproduction; because succulents open stomata to absorb CO2, pathogens enter, leading to rapid infection. This outcome results from proliferation overwhelming plant defenses rather than waterlogging or photorespiration because those are gradual within tolerance.

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