NOAA's exploration of deep ocean vents has discovered ecosystems entirely dependent on chemosynthesis rather than sunlight.
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The Pacific Ocean is larger than all of Earth's landmasses combined.
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A sea anemone uses stinging cells to capture prey.
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Certain marine animals use camouflage to blend into coral reefs.
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Ancient oceans once covered much of Earth's surface.
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The world's longest coral reef system, the Great Barrier Reef, is visible from space.
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Some deep‑sea fish create their own light.
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Coral reefs cover less than 1% of the ocean floor but support about 25% of all marine species.
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The tallest mountain from base to peak is Mauna Kea in Hawaii — it's just mostly underwater.
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