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A shark tooth embedded in a bone
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What the Megalodon Left Behind

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Magellanic penguins on the beach in Punta Tombo, Argentina
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Punta Tombo Penguins

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A thick stand of mangroves with tangled roots lines an island creek in Panama.
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Caribbean Mangroves

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Close-up photograph looking into the gaping mouth of a golden brown sea lion, lying on the sand.
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Galapagos Sea Lion Yawning

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Cabinet ministers from the Maldives sign a declaration to fight climate change – underwater!
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Maldives cabinet meeting underwater

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Fossil tooth whorl of ancient shark.
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Fossil tooth spiral

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The New England Seamount Chain is the longest in the North Atlantic Ocean and includes peaks of more than 30 extinct volcanoes.
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Map of New England Seamount Chain

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An amphipod within Arctic sea ice.
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Amphipod Under Arctic Sea Ice

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Calanus hyperboerus is the preferred food for Bowhead whales.
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Arctic Copepod

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Jellies in the Class Hydrozoa are transparent and easily overlooked.
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Transparent sea jelly

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Two nurse sharks hover over a baited cage
Lesson Plan

Oyster Disease

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A sea sponge underwater
Article

Sea Sponges: Pharmacies of the Sea

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