- Protoctista is a biological kingdom that consists of unicellular or simple multicellular organisms that possess nuclei and cannot be classified as animals, plants, or fungi123. Protoctista includes groups such as protozoa, algae, dinomastigota, oomycota, and slime moulds42. Protoctista is a term that replaces Protista, which connotes single-celled or acellular organisms, but does not reflect the diversity and evolution of protoctists45.Learn more:✕This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.Protoctista (definition): It is the fourth kingdom of nature as proposed by John Hogg. It consists of unicellular or primitive multicellular organisms that are not plants, animals, or fungi. They do not have much in common apart from a relatively simple organization.www.biologyonline.com/dictionary/protistProtoctista A kingdom consisting of unicellular or simple multicellular organisms that possess nuclei and cannot be classified as animals, plants, or fungi. Protoctists include the protozoa, algae, Dinomastigota, Oomycota, and slime moulds. Are protists and Protoctista the same?science-atlas.com/faq/what-is-protoctista-in-biology/Last Modified Date: August 25, 2023 Kingdom Protoctista is a biological classification for unicellular microorganisms with eukaryotic ancestry. Referencing eukaryotic ancestry simply means the organism is made up of eukaryotic cells: those cells that feature a nucleus and surrounding membrane.www.allthescience.org/what-is-the-kingdom-protoct…The term Protoctista replaces the term Protista, which connotes single-celled or acellular organisms, whereas the basal preplant (Protophyta) and preanimal (Protozoa) assemblages incorporated in Protoctista include many multicellular forms, because multicellularity appears to have evolved independently a number of times within these primitive groups.medical-dictionary.thefreedictionary.com/Protoctista
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.
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WebMay 4, 2019 · Regina Bailey. Updated on May 04, 2019. The Kingdom Protista consists of eukaryotic protists. Members of this very diverse kingdom are typically unicelluar and less complex in structure than other …
WebFeb 2, 2023 · Protists are the oldest eukaryotic microorganisms, having a nucleus and other membrane-bound organelles. Since they do not wholly fit into other groups like plants, animals, bacteria, or fungi, they are …
13.3: Protists - Biology LibreTexts
WebThe Protista, or Protoctista, are a kingdom of simple eukaryotic organisms, usually composed of a single cell or a colony of similar cells. Protists live in water, in moist terrestrial habitats, and as parasites and other symbionts …
19.1: Introduction to Protists - Biology LibreTexts