50.0 MB (5.1 MB compressed)
5136 x 3402 pixels
43.4 x 28.7 cm ⏐ 17.1 x 11.3 in (300dpi)
MAREK MIS / SCIENCE PHOTO LIBRARY MAREK MIS / SCIENCE PHOTO LIBRARY
Protozoan and Dictyosphaerium green algae. Darkfield illuminated polarised light micrograph of a Stentor sp. ciliate protozoan (blue) with Dictyosphaerium ehrenbergianum green algae (small, circular). These filter-feeding protozoa can reach lengths up to 2mm and are among the largest known unicellular organisms. Magnification: x200 when printed 10 centimetres wide.
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