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Title: Saltwater Diatom
Caption: SEM of a saltwater diatom. Diatoms are single-celled photosynthetic algae. They have mineralized cell walls 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: 27,460x and the calibration bar is 2 um.
Credit: Album / Science Source / EDWARD KINSMAN
Image size: 3576 × 2850 px | 29.2 MB
Print size: 30.3 × 24.1 cm | 1407.9 × 1122.0 in (300 dpi)