Diatom alga, Triceratium antediluvium

Diatom alga, Triceratium antediluvium

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Credit: ERIC GRAVE/SCIENCE PHOTO LIBRARY.

Caption: Diatom alga. Light micrograph of the star- shaped diatom Triceratium antediluvian. Diatoms, members of a division of the algae family, are microscopic unicellular organisms that occur abundantly in marine & freshwater plankton. They form an important part of the food chain. The body is composed of two halves, which fit together like a tiny pill box. The cell walls contain silica, which is preserved in deposits known as siliceous or diatomaceous earths (ooze). Once hardened into rock it is called diatomite. The high porosity of this rock enables it to be used for filters, fillers & as a mild abrasive. Magnification: x200 at 35mm size.

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Keywords: alga, algae, algal, botany, diatom, diatoms, nature, phytoplankton, plankton, plant, star-shape, triceratium antediluvium, triceratium sp, triceratium sp., type

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