A Didinium devouring a Paramecium

IMAGE NUMBER: 3S6616 LICENSE: RIGHTS MANAGED

SEM: Zoology: Protozoa: Didinium and Paramecium: Didinium is primitive, barrel-shaped ciliate characterized by 2 bands of cilia. They prefer to feed upon Paramecium. They possess a toxin, which is released upon contact with prey, and it serves to kill and paralyze its victim. Simultaneously, the toxin causes the Paramecium to lose its cilia. Paramecium are widely distributed throughout freshwater habitats, where they feed upon bacteria. There are many different species of Paramecium. Magnification = 730x

Credit: Eye of Science / Science Source

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protozoa, freshwater protozoa, one-cell organism, unicellular, eukaryote, eukaryotic, magnification, close-up, sem, didinium, paramecium, cilia, ciliate, feeding, prey, consume

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