Aquatic Ecosystems
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Wetlands
by John Willis
Part of the Aquatic Ecosystems series
A wetland is an area where the land is covered by water for some or all of the year. Wetlands are important because they clean water as it moves through them. Learn more in Wetlands, part of the Aquatic Ecosystems series.
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Rivers
by John Willis
Part of the Aquatic Ecosystems series
A river is a body of moving water. River water comes from sources that include glaciers, springs, and precipitation. Learn more in Rivers, part of the Aquatic Ecosystems series.
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Oceans
by John Willis
Part of the Aquatic Ecosystems series
Oceans cover more than 70 percent of Earth's surface. They are the reason why Earth is known as
"the blue planet." Learn more in Oceans, part of the Aquatic Ecosystems series.
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Bays
by John Willis
Part of the Aquatic Ecosystems series
Bays are coastline features found around the world. People and animals alike often rely on their calm waters for shelter. Learn more in Bays, part of the Aquatic Ecosystems series.
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Lakes
by John Willis
Part of the Aquatic Ecosystems series
Lakes are bodies of water that are completely surrounded by land. They form in areas known as basins. Learn more in Lakes, part of the Aquatic Ecosystems series.
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Coral Reefs
by John Willis
Part of the Aquatic Ecosystems series
Coral reefs are home to a massive variety of plant and animal life. They are built from rocklike skeletons made by creatures called coral polyps. Learn more in Coral Reefs, part of the Aquatic Ecosystems series.
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