Coral reefs grow up to 10 centimeters yearly
Coral reefs, the ocean's vibrant cities, can grow up to 10 centimeters yearly, creating biodiversity hotspots and protecting coastlines, though climate change now threatens their impressive expansion.
Coral reefs, the ocean's vibrant cities, can grow surprisingly fast—up to 10 centimeters each year under ideal conditions. Tiny coral polyps build these structures by secreting calcium carbonate, forming massive frameworks over time. This rapid growth, fueled by warm, shallow waters and abundant sunlight, creates biodiversity hotspots like Australia's Great Barrier Reef.
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