Coloured SEM of marine diatoms

Coloured SEM of marine diatoms

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Credit: MANFRED KAGE/SCIENCE PHOTO LIBRARY

Caption: Pennate diatoms. Coloured scanning electron micrograph of marine diatoms, showing large box- like species and smaller spiky ones. Diatoms are unicellular or colonial algae with intricately patterned, silica cell walls, or frustules. The frustule consists of 2 halves which fit together like the lid and bottom of a box. The frustule is often decorated with rows of tiny holes, known as striae, which are arranged radially (in centric diatoms) or on the 2 sides of a central axis (in pennate diatoms). They form a large part of the plankton in marine and freshwater food chains. Magnification: x600 at 6x7cm size

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Keywords: alga, algae, algal, botany, diatom, diatoms, images, magnified image, marine, microscopic photos, nature, pennate, phytoplankton, plankton, plant, scanning electron micrograph, sem, subjects

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