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English: Protozoa (from the Greek words πρωτό, proto, meaning first, and ζωα, zoa, meaning animals; singular protozoon or also protozoan) are a diverse group of single-cell eukaryotic organisms, many of which are motile. Throughout history, protozoa have been defined as single-cell protists with animal-like behavior, e.g., movement.
The Protozoa are considered to be a subkingdom of the kingdom Protista, although in the classical system they were placed in the kingdom Animalia. More than 50,000 species have been described, most of which are free-living organisms; protozoa are found in almost every possible habitat. The fossil record in the form of shells in sedimentary rocks shows that protozoa were present in the Pre ...
Oct 12, 2022 · Oscar-nominated director Darren Aronofsky and his longtime creative partner, Ari Handel, are on a mission.At their production company, Protozoa Pictures, the two want to use movies and television ...
trypanosoma cruzi, cause of chagas disease, blood smear, 400x at 35mm. protozoan parasite with an undulating membrane, flagellum and nucleus. common in south america. transmitted by triatomid bugs which suck blood. - protozoan stock pictures, royalty-free photos & images
Explore a diverse collection of protozoa images showcasing the unique characteristics of these single-celled animals.
Jul 15, 2024 · Protozoan, organism, usually single-celled and heterotrophic (using organic carbon as a source of energy), belonging to any of the major lineages of protists and, like most protists, typically microscopic. All protozoans are eukaryotes and therefore possess a “true,” or membrane-bound, nucleus.
Protozoa. Protozoa are single celled organisms. They come in many different shapes and sizes ranging from an Amoeba which can change its shape to Paramecium with its fixed shape and complex structure. They live in a wide variety of moist habitats including fresh water, marine environments and the soil.
