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Recent studies by marine biologist Dr. Sarah Chen have revealed that coral reefs in the Pacific Ocean are adapting to increasing acidity levels more rapidly than previously thought. Chen's team monitored coral colonies over a five-year period, measuring both pH levels and coral growth rates at depths ranging from 10 to 40 meters. While surface corals showed significant stress responses to acidification, deeper coral colonies demonstrated remarkable resilience, maintaining growth rates within 15% of pre-acidification levels. This unexpected finding suggests that depth-dependent factors, such as reduced temperature variation and lower light intensity, may provide protective conditions that enable coral adaptation to changing ocean chemistry.

What does the text most strongly suggest about coral adaptation to ocean acidification?

Coral reefs are likely to survive acidification only if they migrate to deeper waters.

The adaptation timeline for coral reefs may be shorter than scientists previously estimated.

Surface corals are inherently less capable of adaptation than deeper coral colonies.

Dr. Chen's research methodology was superior to that of previous ocean acidification studies.

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