Dictionary » P » Protista




A taxonomic kingdom comprised of protists, characterized by being eukaryotic and mostly single-celled


Kingdom Protista is one of the five biological kingdoms in the formerly used taxonomic classification of organisms (proposed by Robert Whittaker).

Protists are grouped into animal-like (protozoa), plant-like (single-celled and some multicellular, eukaryotic algae), and fungus-like (i.e. slime molds and water molds).

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Mentioned in:


  • Brown, E G. 2009 Feb 2. Providencia Infections. New York (NY): WebMD LLC Medscape.com.

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Newbie question about the first life

... no longer "plants". The five kingdoms: Animal, Plant, Fungi, Protoctista (algae and slime molds, and not to be confused with the kingdom Protista suggested by Haeckel in the 19th Century), and Monera (bacteria). The first four are all prokaryotes. Bacteria are now seen as special creatures, ...

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by piscilactovegetarian
Fri Feb 28, 2014 12:10 am
Forum: Molecular Biology
Topic: Newbie question about the first life
Replies: 14
Views: 19156

Re: Help with indentifying object - can't narrow to even kingdom

... Its top speed is 1 mm per hour. Slime molds move, and lack chitin in their cell walls. They are now classified as belonging to the Kingdom Protista (Protoctista). Mycologists have studied them for so long that slime molds are still included in mycology textbooks. From http://www.uwlax.edu/biology/zoo-lab/Lab-03/Plasmodial-Slime-Molds.htm ...

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by Sadial
Fri Jul 26, 2013 6:29 pm
Forum: General Discussion
Topic: Help with indentifying object - can't narrow to even kingdom
Replies: 2
Views: 6279

Cannot get this type of evolution process. Please Help ASAP!

... At first, I thought I had to draw the six kingdom classifications and I did. Since they are ordered from Unicellular to multicelluar with Protista being both unicellular and multicellular. I would appreciate if you guys post your thought on this

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by xstandards
Thu Jul 11, 2013 4:33 am
Forum: General Discussion
Topic: Cannot get this type of evolution process. Please Help ASAP!
Replies: 1
Views: 1406

Book recommendation for exam

... and relationship of varous phyla upto sub-classes; Acoelomata and Coelomata; Protostomes and Deuterostomes, Bilateralia and Radiata; Status of Protista, Parazoa, Onychophora and Hemichordata; Symmetry. 3. Protozoa : Locomotion, nutrition, reproduction; evolution of sex; General features and ...

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by bertstare
Sun Oct 21, 2012 2:19 pm
Forum: Zoology Discussion
Topic: Book recommendation for exam
Replies: 3
Views: 8481

Eukaryotic and Prokaryotic

... of rod-shaped chromosomes. Most bacteria have cell wall made in majority by peptidogylcans. Eukaryotic organisms are divided into 4 kingdoms: the Protista (unicellular, both auto- and heterotrophic organisms; also multicellular algae are grouped in here), the plants, the fungi or mushrooms and ...

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by SteveYst
Wed Oct 03, 2012 1:39 pm
Forum: Cell Biology
Topic: Eukaryotic and Prokaryotic
Replies: 4
Views: 14569
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