Protists

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  • Protists
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  • Protists are of the Kingdom Protista and are one of the diverse eukaryotes, single-celled species of which may resemble the first eukaryotic cells. at the present they are categorized by what they are not (not bacteria, fungi, plants, or animals).  
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Abstract from DBPedia
    A protist (/ˈproʊtɪst/) 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, or clade. Therefore, some protists may be more closely related to animals, plants, or fungi than they are to other protists. However, like the groups algae, invertebrates, and protozoans, the biological category protist is used for convenience. Others classify any unicellular eukaryotic microorganism as a protist. The study of protists is termed protistology.

    原生生物(げんせいせいぶつ、Protist)とは、生物の分類の一つで、真核生物のうち、菌界にも植物界にも動物界にも属さない生物の総称である。もともとは、真核で単細胞の生物、および、多細胞でも組織化の程度の低い生物をまとめるグループとして考えられたものである。いくつかの分類体系の中に認められているが、その場合も単系統とは考えておらず、現在では認めないことが多い。

    (Source: http://dbpedia.org/resource/Protist)