KEY CONCEPT Kingdom Protista is the most diverse of all the kingdoms.

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PROTISTA Chapter 19.
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KEY CONCEPT Kingdom Protista is the most diverse of all the kingdoms.

19.1 Diversity of protists

Protists can be animal-like, plantlike, or funguslike. Protists: Eukaryotes that are not animals, plants, or fungi members of the Protista Kingdom single celled or multicellular microscopic or very large reproduce asexually and/or sexually

Protists can be animal-like, plantlike, or funguslike. Protist are generally divided into three groups based on how they get their food: Animal-like (consume other organisms) Plantlike (make own food) Funguslike (decompose other organisms)

Animal-like protists consume other organisms. heterotrophs single-celled Not animals because animals are multicellular and animal like protist are single-celled

Plantlike protists are Make their own food through photosynthesis (autotroph). single-celled, colonial (live together in colonies), or multicellular (kelp) Not plants because they have no roots, stems, or leaves

Funguslike protists decompose dead organisms. Heterotrophs. can move at some point in their life cycle whereas fungi cannot.

Protists are difficult to classify. Four of the six Kingdoms are Eukaryotes Plant Animal Fungus Protista Difficult to classify because Many are only distantly related to each other. Many are more related to organisms in other kingdoms.

Protists are difficult to classify. Protista is often called the junk drawer of the kingdoms. Eukaryotes that do not fit into any other kingdom: Animal like but not quite an animal Plantlike but not quite a plant Funguslike but not quite a fungus

Protist classification will likely change. Some protists are not closely related. Molecular evidence supports reclassification.