Diatom (Melosira sulcata)

Diatom (Melosira sulcata)

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Credit: Biophoto Associates/SCIENCE PHOTO LIBRARY

Caption: Fossil marine diatom (Melosira sulcata). Diatoms are single-celled photosynthetic algae, of which there are about 100,000 species. They have mineralized cell walls (frustules) that contain silica and provide protection and support. The diatoms form an important part of the plankton at the base of the marine and freshwater food chains. Magnification x2500.

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Keywords: alga, algae, algal, aquatic, bacillariophyceae, bacillariophyta, biology, botany, centric, circle, circular, colorized, diatom, diatomaceous, diatomophyceae, electron micrograph, enhanced, eukaryotic, flora, fossil, fresh water, freshwater, frustule, girdle bands, heterokonts, m. sulcata, marine, melosira, melosira sp., melosira sulcata, microbiology, micrograph, mineralized, phytoplankton, plankton, planktonic, round, scanning electron micrograph, sem, silica, single, unicellular, valve view

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