A protist is any eukaryotic organism (that is, an organism whose cells contain a cell nucleus) that is not an animal, plant, or fungus. While it is likely that protists share a common ancestor (the last eukaryotic common ancestor), the exclusion of other eukaryotes means that protists do not form a natural group, … See more The classification of a third kingdom separate from animals and plants was first proposed by John Hogg in 1860 as the kingdom Protoctista; in 1866 Ernst Haeckel also proposed a third kingdom Protista as "the kingdom of … See more Besides their relatively simple levels of organization, protists do not necessarily have much in common. When used, the term "protists" is now considered to mean a paraphyletic assemblage of similar-appearing but diverse taxa (biological groups); these taxa … See more Historical classifications Among the pioneers in the study of the protists, which were almost ignored by Linnaeus except for some genera (e.g., Vorticella, Chaos, Volvox, Corallina, Conferva, Ulva, Chara, Fucus), were Leeuwenhoek See more Some protists reproduce sexually using gametes, while others reproduce asexually by binary fission. Some species, for … See more The term Protista was first used by Ernst Haeckel in 1866. Protists were traditionally subdivided into several groups based on similarities to the "higher" kingdoms such as: Protozoa Protozoans are unicellular "animal-like" … See more Nutrition can vary according to the type of protist. Most eukaryotic algae are autotrophic, but the pigments were lost in some groups. Other protists are heterotrophic, and may present phagotrophy, osmotrophy, saprotrophy or parasitism. … See more Free-living protists occupy almost any environment that contains liquid water. Many protists, such as algae, are photosynthetic and are vital primary producers in ecosystems, particularly in the ocean as part of the plankton. Protists make up a large … See more Weband archaea, plant diversity I, plant diversity II, and protists. Practice "Genetics MCQ" PDF book with answers, test 3 to solve MCQ questions: Chromosomal basis of inheritance, DNA tools and biotechnology, gene expression: from gene to …
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WebProtists do not form a natural group, but are a paraphyletic assemblage of similar-appearing. but diverse taxa, said to be members of the Kingdom Protista. 9.1.0.1 Kingdom Protista (protists) The old classification of Phylum protozoa: Protozoa are single-celled (unicellular), but may be colonial if no division of functions. graph theory types
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WebPhylum Zoomastigina is a phylum of Kingdom Protista. The defining characteristic of Phylum Zoomastigina is that organisms of this phylum move by the use of flagella, one or multiple. Because these organism lack chloroplasts, they are heterotrophic. An example of an organism of Phylum Zoomastigina is Trypanosoma brucei, also known as African ... WebJan 31, 2011 · First of all, Protista is a kingdom, not a phylum. But there are over 24 Phyla in this kingdom. What makes protists different from other kingdoms is that they are … 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 … chiswick to south kensington