Read the passage:
'Coral bleaching events that once transpired once every three decades now recur every three to five years, leaving insufficient recovery time for slow-growing stony coral colonies.'
What does the passage imply regarding the future resilience of coral reef ecosystems?

Answer and explanation

Correct answer: C. Shortened intervals between heatwaves critically impede the natural recovery of reef structures

  1. Step 1: The interval between bleaching events has shrunk to 3-5 years, outstripping coral recovery speed. Step 2. This implies natural regeneration is severely undermined by chronic recurrence. Answer: Shortened intervals between heatwaves critically impede the natural recovery of reef structures. Why not the others: The text states corals cannot keep up with frequent heatwaves.

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