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It may wind up in the belly of a whale
Else clues• Form of algae
• Marine microorganism
• Microscopic alga
• Morsel for Moby Dick
• One-celled alga
• One-celled sea creature
• Plankton component
• Plankton constituent
• Simple bit of plankton
• Single-celled alga
• Microscopic unicellular marine or freshwater colonial alga having cell walls impregnated with silica