Caption: Vorticella campanula protozoa, light microscopy. These are ciliate protozoa, so-called because the bell-shaped heads have tiny, hair-like structures (cilia) which are moved in a waving motion to waft food towards them from the surrounding fluid. The cilia can also be used for movement. Each head is attached to a stalk which the vorticella uses to secure itself to an anchor-point. The vorticellae seen here are in an extended position for feeding. When the creature is disturbed it can contract the stalk for protection.

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Keywords: biological, biology, cilia, ciliated, clip, fauna, film, footage, light microscope, light microscopy, microbiological, microbiology, microscopic, motion, nature, no-one, nobody, protozoa, protozoan, stalk, stalked, video, vorticella, vorticella campanula, zoological, zoology

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Vorticella campanula protozoa, light microscopy

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