WIM VAN EGMOND / SCIENCE PHOTO LIBRARY WIM VAN EGMOND / SCIENCE PHOTO LIBRARY
Coscinodiscus concinnus, a planktonic marine Diatom. Diatoms form a main part of the phytoplankton. This image shows the yellow brown plastids used for photosynthesis and the delicate texture of the cell wall. Diatoms are unicellular aquatic algae, protists. Brightfield, LM X16.
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