Caption: Frustules of marine diatoms arranged in snowflake pattern on microscopic slide. Diatoms are a major group of algae that exist in vast numbers and help form the bottom of the food chain. They mostly vary in size from 20 - 200 microns, but can reach sizes up to 2 millimeters. Recorded under Nomarski DIC illumination.

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Keywords: alga, cell, cells, diatoms, freshwater, frustule, marine diatom, micro, microorganism, microscopic, ocean, plankton, protist, protozoa, single, slide, snowflake, unicellular

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K002/1596 Rights Managed

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Duration: 00:00:04.25

Frame size: 640x480

Frame rate: 29.97

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Capture format: Betacam SP

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Codec: Uncompressed 8-bit 4:2:2

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