KEY CONCEPT Kingdom Protista is the most diverse of all the kingdoms. - PowerPoint PPT Presentation

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

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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. – PowerPoint PPT presentation

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


1
KEY CONCEPT Kingdom Protista is the most diverse
of all the kingdoms.
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19.1 Diversity of protists
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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

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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)

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

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  • 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

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

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

Difficult to classify because
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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

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