protists chapter 19. kingdom protista (most diverse kingdom) aquatic all are eukaryotic unicellular...
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PROTISTS
CHAPTER 19
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KINGDOM PROTISTA (most diverse kingdom)
Aquatic
All are eukaryotic
Unicellular or multi-cellular
Microscopic or very large
Heterotrophic or autotrophic
Plant-like, animal-like or fungus-like
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PROTOZOA (singular: protozoan)
Animal-like protistsAll are unicellular heterotrophsClassified by how they moveMove by means of cilia, flagella, pseudopodsReproduce asexually -(Binary fission) - some sexually (Conjugation)Some are parasitic
sporozoans
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AMOEBAS
Protozoans with pseudopods
“False foot”
Extensions of cytoplasm
Aid in movement & feeding
Shapeless
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Phagocytosis
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FLAGELLATES
Flagella - long, whip-like hairs
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CILIATES
Cilia - tiny hairs
Includes:Paramecium
Vorticella
Stentor
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SPOROZOANS
Produce spores
Parasitic protozoansMalaria
Sleeping sickness
Trichomonas
Plasmodium (causes Malaria)
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http://www.youtube.com/watch?v=1UTJ38D0ukw&feature=player_detailpage
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http://www.youtube.com/watch?v=I_qSrFPjtQw&feature=player_detailpage
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FUNGAL PROTISTS
Unlike fungi, fungus-like protists are able to move and lack chitin in their cell walls.
Slime molds
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FUNGAL PROTISTS
Slime molds
Water molds
Downy mildews
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SLIME MOLD
WATER MOLD
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ALGAE
Plant-like protists Lack true leaves, roots and stems
Autotrophs
Produce more than half the earth’s oxygen
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Spirogyra
Volvox
Mixed green algae
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ALGAE
Photosynthesizing protists
Contain chlorophyll
Includes:Red, green, brown, golden algae
Diatoms - contain silica
Dinoflagellates
DIATOMS
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Algae in Your Foods“Seaweed” Foods: broth, soups, seasons rice, added to salads, wrapped with sushi, rice crackers, flavors and preserves - noodles, bread, cheese, chocolate milk, creamed products, dairy desserts, dry mixes, evaporated milk, frozen food, fruit juice, ice cream, pudding, pasta, sauces and gravies, syrup,
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RED ALGAE BROWN ALGAE
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DIATOMS
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Dinoflagellates: known as “fire algae” (cause red tides)