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Published byGwendolyn Atkinson Modified over 9 years ago
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Just What are protists?
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What is a Protist? Protists are a eukaryotic kingdom. Almost all protists are unicellular Protists can be defined as any type of eukaryote that is not already classified as an animal, plant, or fungi.
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Animal -like protists Animal type protists are called “protozoans” Each type of animal-like protists are classified into different phyla by the way they move. The different phyla of animal protists include: Zoomastigina, Sarcodina, Ciliophora, and Sporozoa.
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Now, how do they move?! Zoomastigina protists use a “flagella” to move. This structure is a long string-like structure and allows for any of their movement.
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Now, How do they move?! Sarcodines move by the use of cytoplasm projections. This may be seen when looking at a moving ameba: psuedopodia Sporozoans move by the use of tiny cells called “spores”. When using these spores, sporozoans can move from host to host.
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Now, how do they move?! Ciliates move by the use of “cillia” which are tiny hair-like projections that wave across a surface to allow movement.
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Plant-like Protists Plant-like protists contain the green chlorophyll pigment. These protists are able to perform photosynthesis. There are different phylum of protsits
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Fungus-like Protists Fungus-have the ability to absorb food through their cell wall. Cellular Slime Molds (these molds begin their various life cycles as ameba structures) Acellular slime molds (these also begin as ameba like structures, however as they reach maturity they develop into one cell with thousands of nuclei) Water molds (these molds live off of dead/decaying matter, have cell walls made of cellulose, and produce spores) These are all examples of fungus-like protists These are all examples of fungus-like protists
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Fungus-like Protists Cellular Slime MoldsAcellular Slime MoldsWater Molds
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