a phylum or group of phyla that comprises the single-celled microscopic animals, which include amoebas, flagellates, ciliates, sporozoans, and many other forms. They are now usually treated as a number of phyla belonging to the kingdom Protista.
organisms of the Protozoa group.
ORIGIN
modern Latin (plural), from proto- ‘first’ + Greek zōion ‘animal’.
pro·to·zo·on
[ˌprōdəˈzōˌän]
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NOUN
protozoa (plural noun)
a single-celled microscopic animal of a group of phyla of the kingdom Protista, such as an amoeba, flagellate, ciliate, or sporozoan; a protozoan:
"parasitic protozoa are among the most important pathogens worldwide"
Protozoa (singular protozoon or protozoan, plural protozoa or protozoans) is an informal term for a group of single-celled eukaryotes, either free-living or parasitic, that feed on organic matter such as other microorganisms or organic tissues and debris. Historically, protozoans were regarded as "one-celled animals", because they often possess animal-like behaviours, such as motility and ...
The protozoa group is very diverse and has about 50 000. A protozoan is what we call a eukaryotic organism because it is a cell that contains a true nucleus and is bounded by a nuclear membrane. It consists of only a single cell and is so small that we usually can’t see it without using a microscope. The protozoa group is very diverse and has ...
protozoans group of unicellular protists that are considered 'animal like' because they move in order to get food and do not have cell walls. most protozoans reproduce asexually by binary fission *protozoans are grouped according to how they move protozoa groups ciliates flagellates amoebas ciliates
Protozoa are single-celled organisms classified as eukaryotes (organisms whose cells have a defined nucleus). Other eukaryotes include: Protozoa are everywhere. They can live independently as free-living organisms in the environment, often in the soil, water, or moss. They can also be resting cysts, which lets them survive through dry times.
Protozoa (singular: protozoan or protozoon; alternative plural: protozoans) are a group of single-celled eukaryotes, either free-living or parasitic, that feed on organic matter such as other microorganisms or organic tissues and debris. Historically, protozoans were regarded as "one-celled animals", because … See more
The word "protozoa" (singular protozoon) was coined in 1818 by zoologistGeorg August Goldfuss (=Goldfuß), as the Greek equivalent of the German Urthiere, meaning "primitive, or original animals" (ur- ‘proto … See more
Historically, Protozoa were classified as "unicellular animals", as distinct from the Protophyta, single-celled photosynthetic organisms (algae), which were considered primitive plants. … See more
General • Dogiel, V. A., revised by J.I. Poljanskij and E. M. Chejsin. General Protozoology, 2nd ed., Oxford University Press, 1965. • Hausmann, K., N. … See more
Reproduction Reproduction in Protozoa can be sexual or asexual. Most Protozoa reproduce asexually through binary fission. Many parasitic Protozoa reproduce both asexually and sexually. However, sexual reproduction is rare … See more
Free-living protozoa are found in almost all ecosystems that contain, at least some of the time, free water. They have a critical role in the mobilization of nutrients in natural ecosystems. Their role is best conceived within the context of the microbial food web in … See more
Webnoun a major grouping or superphylum of the kingdom Protista, comprising the protozoans. COMPARE MEANINGS protist Protozoa Smoothly step over to these common grammar …
WebProtozoa. [ pro″to-zo´ah] a subkingdom (formerly a phylum) comprising the unicellular eukaryotic organisms; most are free-living, but some lead commensalistic, mutualistic, …
WebProtozoa 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 …
Webprotozoon noun pro· to· zo· on ˌprō-tə-ˈzō-ˌän plural protozoa ˌprō-tə-ˈzō-ə : protozoan Example Sentences Recent Examples on the Web Where swamps were drained and …
WebDec 23, 2022 · 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 …
WebThe meaning of PROTOZOAN is any of a phylum or subkingdom (Protozoa) of chiefly motile and heterotrophic unicellular protists (such as amoebas, trypanosomes, …
WebApr 28, 2017 · Protozoa Definition. Organisms known as protozoa include a wide range of organisms, most of which are free-living single-celled eukaryotes. Therefore, protozoa fit into the Domain …
WebProtozoa is a phylum having unicellular heterotrophs. It comes under Kingdom Protista. Protozoa are divided into four major groups based on the structure and the part involved in the locomotion: 1. Mastigophora or …
WebOct 14, 2022 · Protozoa are single-celled organisms that can sometimes cause diseases. Common protozoan diseases include malaria, giardia, and toxoplasmosis. …
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