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50.0 MB (1.9 MB compressed)
5137 x 3402 pixels
43.4 x 28.7 cm ⏐ 17.1 x 11.3 in (300dpi)
STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Paramecium protozoan. Coloured scanning electron micrograph (SEM) of a Paramecium sp. protozoan. These single-celled freshwater organisms are covered in short hair-like structures known as cilia, which are used for swimming and for wafting food along the oral groove into the oral cavity. Magnification: x5000, when printed 10 centimetres wide.
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