GERD GUENTHER / SCIENCE PHOTO LIBRARY GERD GUENTHER / SCIENCE PHOTO LIBRARY
Proteus amoeba. Differential interference contrast micrograph of an Amoeba proteus protozoan. This is a freshwater single-celled organism that feeds on bacteria and smaller protozoa. It uses pseudopodia (cytoplasmic extensions) to engulf its food and for locomotion. Magnification: x75 when printed at 10 centimetres wide.
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