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Living organisms are subdivided into 5 major kingdoms, including the Monera, the Protista (Protoctista), the Fungi, the Plantae, and the Animalia. Each kingdom is further subdivided into separate phyla ... The basic characteristics of each kingdom and approximate number of species are summarized in the following table:
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waynesword.palomar.edu/trfeb98.htm
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General categories, such as Kingdoms still work well in classification but they break down when some organisms in one category have characteristics which are similar to organisms in another category. A case in point is the one-celled organism, Euglena, ... PROTOCTISTA: The establishment of a third Kingdom,
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www.botanicgardens.ie/educ/kingdom.pdf
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Definition of Protoctista - 1 dictionary result ... Protoctista Pro·toc·tis·ta (prō'tək-tĭs'tə); n.; A taxonomic kingdom consisting of unicellular protists and their descendant multicellular organisms, considered as a separate taxonomic kingdom in most modern classification systems.
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dictionary.reference.com/browse/Protoctista
dictionary.reference.com/browse/Protoctista
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The 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, ... Rather, the Protista are a category of miscellaneous eukaryotes, not closely related to each other and not sharing many characteristics, but not fitting any...
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www.novelguide.com/a/discover/biol_04/biol_04_00378.htm...
www.novelguide.com/a/discover/biol_04/biol_04_00378.html
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Today, the traditional protozoa, along with all the algae and slime moulds, have been absorbed into the kingdom Protoctista -- The fact that they are now classified on the basis of many characteristics which have nothing to do with their appearance poses a problem to the presenter of this material to an internet community.
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www.micrographia.com/specbiol/protis/homamoeb/amoe0000....
www.micrographia.com/specbiol/protis/homamoeb/amoe0000.htm
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This is my first attempt at an "Online Lesson". It is not meant to stand alone, but to be a support resource. Much of the information for this lesson came from my classroom multimedia presentation created with More. ... Kingdom Protista Characteristics ... Possess more "Plant-like" characteristics...
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www.kent.k12.wa.us/STAFF/tIMlYNCH/sci_class/chap09/less...
www.kent.k12.wa.us/STAFF/tIMlYNCH/sci_class/chap09/lesson_protista/Protista_Lesson.html
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The kingdom Protoctista is a diverse assemblage that can be described as "those eukaruyotic organisms which are neither true plants, animals, nor fungi.” They are united not on the basis of shared derived characters, but on the lack of characters expressed in members of the other kingdoms.
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www.solpugid.com/cabiota/Protoctista.htm
www.solpugid.com/cabiota/Protoctista.htm
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(Last modified: 21 July 1997) ; The Protoctista Kingdom is a catch-all for the multicellular organism which don't fit into the Animal, Plant, or Fungus Kingdom.
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www.perspective.com/nature/protoctista-index.html
www.perspective.com/nature/protoctista-index.html
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Kingdom Protoctista is defined by exclusion: its members are neither animals (which develop from a blastula), plants (which develop from an embryo), fungi (which lack undulipodia and develop from spores), nor prokaryotes.
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www.bio.umass.edu/biology/conn.river/protoc.html
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