Rotifers feeding in pond water

Videonummer 11932685
Anchored in place by its foot, a rotifer feeds by beating the cilia that line its corona and which are used to draw in bacteria and tiny protozoa. Two small protozoans get caught up in the current and spin about but are not consumed. The beating organ in the rotifer's hroat"" is the mastax, which is used to grind up food. Rotifers are common multicellular organisms found in pond water and help form the base of the food chain. They also serve important roles as decomposers in the environment and in waste water treatment. The one featured here measures about 300 microns in length and was recorded under Nomarksi DIC illumination."
Lizenzart: Lizenzpflichtig
Credit: Science Photo Library / Matulavich, Peter
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Länge: 21 Sekunden
Seitenverhältnis: 16:9
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