Diatom alga, Triceratium sp.

Diatom alga, Triceratium sp.

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Credit: CLAUDE NURIDSANY & MARIE PERENNOU/SCIENCE PHOTO LIBRARY

Caption: Light micrograph of the diatom Triceratium sp. The diatoms are a distinctive group of single-celled algae containing about 10, 000 species. They form an important part of the plankton at the base of the marine & freshwater food chains. The characteristic feature of diatoms is their intricately patterned, glass- like cell wall, or frustule. The frustule consists of 2 halves which fit together like the lid & bottom of a box. It is often decorated with rows of tiny holes, known as striae, which are arranged either radially (as here) or on the 2 sides of a central axis. Magnification unknown.

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Keywords: alga, algae, algal, botany, diatom, diatoms, light micrograph, nature, phytoplankton, plankton, plant, triangle, triangular, triceratium sp.

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