Ocean Literacy - The ocean and life in the ocean shape the features of the earth

The ocean is a powerful force that has shaped our planet over time.

Waves and currents have carved coastlines, built islands, shaped underwater mountain ranges and canyons. The location of seas have changed over millions of years, and as a result the ocean and moving water have shaped landforms that are found inland far from the sea.
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Tiny organisms in the ocean like coral polyps build vast limestone structures that form the substrate for coral reefs. Some marine organisms like polycheate worms and shrimp burrow, feed and excrete and can change the composition of sediment.

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