Credit: PETER MATULAVICH/SCIENCE PHOTO LIBRARY

Caption: Freshwater protozoa scurry about feeding on bacteria and sewage in water collected from a municipal sewage treatment plant. The larger ones are ciliates belonging to to the Colpidium genus and measure about 50 microns in length. Microorganisms like these, including bacteria and many metazoans, perform an important function by decomposing organic matter found in sewage water and helping remove contaminates during the aerobic treatment process. Recorded under Nomarski DIC.

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Keywords: aerobic, biology, cilia, ciliate, ciliated, ciliophora, close up, colpidium, decompose, decomposer, decomposition, dic, differential interference contrast, eating, eukaryotic, feeding, freshwater organisms, invertebrate, micro organisms, microbes, microbiology, microscope, microscopic, nomarski, one cell, one-celled, protist, protista, protozoa, protozoan, sewage, single cell, single-cell, swimming, treatment plant, waste water, wastewater, water treatment, zoology

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Protozoa in wastewater

K003/6006 Rights Managed

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Duration: 00:00:15.23

Frame size: 1920x1080

Frame rate: 29.97

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Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 876.5M

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Capture format: DSLR - AVCHD

Codec: Apple ProRes 422 (HQ)

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