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Ocean microplankton called Acantharea use the element strontium to create intricate mineral skeletons.

I. Microplankton community abundances and biomass.

He cited one horrible example of a lead: "University of Washington scientists reported today experiments have shown that microplankton organisms act as radioactivity 'carriers' in Bikini waters, keeping the waters radioactive."

How many readers, asked Dr. Flesch, know what "microplankton organisms" are?