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Plastic microbead pollution harms oysters, the ocean's critical ecosystem engineers, study finds

Plastic microbead pollution harms oysters, the ocean's critical ecosystem engineers, study finds

Oysters eat by filtering the water around them and digesting anything small enough to trap, whether that’s algae, phytoplankton — or tiny pieces of plastic floating in the ocean.

It stands to reason that the plastic isn't good for them. Now scientists know why: It takes such a toll on their digestive systems that their ability to reproduce is cut almost in half, according to a study published this month in Proceedings of the National Academy of Sciences.

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