MAREK MIS / SCIENCE PHOTO LIBRARY MAREK MIS / SCIENCE PHOTO LIBRARY
Rotaria rotifer. Polarised light micrograph of a Rotaria sp. rotifer (large, centre) hunting a flagellate protozoa (small, left). Rotifers are microscopic aquatic animals that are related to roundworms. Magnification: x200 when printed 10 centimetres wide.
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