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biologydictionary.net/protozoa

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 Eukarya. Although the different phyla of the kingdom Protista are not closely related, they are nonetheless classified together because of their large differences from the other kingdoms of plants, animals and fungi.

en.wikipedia.org/wiki/Protozoa

Protozoa (also protozoan, plural protozoans) is an informal term for single-celled eukaryotes, either free-living or parasitic, which feed on organic matter such as other microorganisms or organic tissues and debris. Historically, the protozoa were regarded as "one-celled animals", because they often possess animal-like behaviors, such as motility and predation, and lack a cell wall, as ...

en.mimi.hu/biology/protozoa.html

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 Eukarya. Protozoa Protozoa 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 ...

biologydictionary.net/protist

Protist Definition. Protists are a group of loosely connected, mostly unicellular eukaryotic organisms that are not plants, animals or fungi.There is no single feature such as evolutionary history or morphology common to all these organisms and they are unofficially placed under a separate kingdom called Protista. Therefore, protists are no longer a formal classification, and different members ...

www.yourarticlelibrary.com/micro-biology/protozoa-definition-characteristics...

ADVERTISEMENTS: Definition, Characteristics, Classification and Types of protozoa! Definition: Protozoa are eukaryotic, unicellular microorganisms, which lack cell wall. Characteristics of Protozoa: The major distinguishing characteristics of protozoa are given below: ADVERTISEMENTS: 1. They do not have cell wall; some however, possess a flexible layer, a pellicle, or a rigid shell of ...

www.biologyreference.com/Po-Re/Protozoa.html

Protozoa - Biology Encyclopedia; Protozoa Photo by: Garry DeLong. ... Further complicating a precise definition of protozoa is the close relationship between some protozoa and A photomicrograph of the protozoa Euglena. unicellular algae. Modern taxonomic treatments recognize these similarities and group protozoa, photosynthetic unicellular ...

www.dictionary.com/browse/protozoa

Protozoa definition, a major grouping or superphylum of the kingdom Protista, comprising the protozoans. See more.

www.biologyonline.com/dictionary/protista

Definition noun A taxonomic kingdom in old system of classification (i.e. five kingdom scheme), comprised of species (referred to as protists) characterized by being eukaryotic, mostly single-celled (others multicellular or colonial), and lacking specialized tissue organization Supplement Kingdom Protista is one in the five kingdom scheme of classification.

study.com/academy/lesson/what-are-protozoa-definition-characteristics-examples...

Taxonomy is the realm of science that attempts to group similar organisms together, which is not always an easy task. In this lesson, we will examine the protozoa, a diverse group of organisms ...

microbiologysociety.org/why-microbiology-matters/what-is-microbiology/protozoa...

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.