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Kingdom Protista. Kingdom protists is the most diverse of all the Kingdoms A Protist is a ____________ that is not officially a Plant, ________, or _________. They lack one or more characteristics that would place them in these categories. . Protist Classification.

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Kingdom protists is the most diverse of all the Kingdoms

A Protist is a ____________ that is not officially a Plant, ________, or _________.

They lack one or more characteristics that would place them in these categories.

protist classification
Protist Classification
  • Protists can be classified into three categories loosely on how they obtain food. The three categories of Protists are;
        • Animal- Like
        • Plant- Like
        • Fungus- Like
animal like protists
Animal- Like Protists
  • Animal- Like Protists can all move and are Heterotrophs.
  • All Animal-Like Protists are unicellular, while animals are multi-cellular
plant like protists
Plant-like Protists
  • Plant-like protists make their own food by photosynthesis just as plants do.
  • All True plants have roots, stems and leaves, and are multicellular
  • Plant like protists can be unicellular, colonial, or multicellular
fungus like protists
Fungus-Like Protists
  • Fungus-Like Protists decompose dead organisms. There protists were once placed in the same kingdom as true fungi.
  • However, fungus-like Protists CAN move during part of their life cycle, whereas true fungi can NOT.
animal like protists aka protozoan s
Animal-Like Protists aka Protozoan\'s
  • Protozoan are often classified by how they move.
  • Zooflagellatesare animal-like protists that have flagella at some point in their life cycle.
  • More than 2000 species of Zooflagellates exist.
  • Some Zooflagellates cause disease
      • Ex. African sleeping sickness
animal like protists aka protozoans
Animal-Like Protists AKA Protozoans
  • Some protozoans called pseudopodia move using a pseudopod which means “false foot”
  • An amoeba can live in freshwater, salt water or soil. Foraminifera live in salt water
  • YouTube - Amoeba in motion
animal like protists aka protozoans1
Animal-Like Protists AKA Protozoans
  • Protozoans that move using cilia are called Ciliates (shocking). Cilia are short hair like structures that that help protists swim and capture food. YouTube - Paramecium Feeding
  • Some ciliates are parasites that cause disease, most are free living found in common pond water
plant like protista
Plant-Like Protista
  • Unlike Plants which are all multi cellular; plant like protists can be unicellular, colonial, or multicellular.
  • Photosynthetic plant-like protists are called Algae.
  • Algae are not true plants because they do not have roots, stems or leaves
plant like protista1
Plant-Like Protista
  • Euglenoids are single celled plant-like protista that swim with the aid of one or more flagella
plant like protista2
Plant-Like Protista
  • Dinoflagellates- Most live in salt water. Some produce toxins that can produce red tides and kill large numbers of fish
plant like protists1
Plant-Like Protists
  • Diatoms- single celled, covered with delicate glasslike shells. They can be found in fresh, or salt water.
  • Diatoms produce approx half of the earths atmospheric oxygen
green algae
Green Algae
  • Most species of green algae are aquatic.
brown algae
Brown Algae
  • Brown algae include the giant kelp that form thick underwater forests.
red algae
Red Algae
  • This group of algae can grown a deeper depths than any other algae. It’s red pigments are able to absorb the blue light that reaches the deepest level of the ocean
fungus like protista
Fungus Like Protista
  • Fungus like protists are valuable decomposers in the ecosystems. Two types of Fungus like protists are
    • Slime Molds & Water Molds
slime molds
Slime Molds