10 marine species on the brink of mass extinction due to ocean acidification

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2. Pteropods

Pteropods, too, are threatened by ocean acidification.

They may not look like much, but these tiny creatures are the foundation of arctic food webs that support larger marine animals like whales and polar bears. As the ocean becomes more acidic, pteropods actually begin to dissolve.

READ MORE: Taking a Close Look at the "Last Ice Area"

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