kingdom protista biology. characteristics of kingdoms kingdomuni cellular multi cellular auto...
TRANSCRIPT
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Kingdom Protista
Biology
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Characteristics of Kingdoms
Kingdom Unicellular
Multicellular
Autotrophic
Heterotrophic
Cell wall
No cell wall
Eukaryotic
Prokaryotic
Interesting Fact
Archaeabacteria
x x x x x Tough!! Live in extreme conditions
Eubacteria x x x x x Typical Bacteria. Cause illness and used for food, etc. Very common
Protista
Fungi
Plantae
Animalia
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What is a protist?
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Algae
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Volvox
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Radiolarians
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Euglena
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Red tides caused by dinoflagellates
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Protists can: Be Unicellular or Multicellular Be Microscopic or very large Be Heterotrophic or Autotrophic Reproduce Sexually or Asexually
But… ***ALL ARE EUKARYOTIC***
Have a true nucleus and membrane bound organelles
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“Junk Drawer” Kingdom
Organisms that are eukaryotic but don’t fit well in other Kingdoms are placed here!
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II. Three Groups of Protists
A. Animal-like
B. Plant-like
C. Fungi-like
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A. Animal-like
Protozoa: Animal like protists Heterotrophic All unicellular
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Animal Like Protists-4 types
Shapeless protists
Flagellates
Ciliates
Sporozoa
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Shapeless protists
Phylum Rhizopoda No cell wall Form Pseudopodia
Pseudo = fake Pod = foot Extension used for
feeding and moving
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Flagellates
Phylum Zoomastigina Have flagella: a whip
like tail used for movement
Can be parasites and cause diseases
African sleeping sickness
Can be helpful Termite guts
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Ciliates
Phylum Ciliophora Have Cilia: small hair like projections used for
movement and feeding
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Sporozoans
Phylum Sporozoa Most produce spores All are parasites
Malaria
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B. Plant-like Protists…
Algae: Plant like protists Uni or multicellular Autotrophic
(photosynthetic) No roots, stems,
leaves
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Algae: Plant like protists
Typically water-related Same function as terrestrial plants
1/3 of oxygen production Base of aquatic food webs
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Phytoplankton
Typically found near surface of water Diatoms
Shells of silica Major part of Mississippi River Food Chain Used in toothpaste, cat litter, etc.
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Cont.
Dinoflagellates “Red Tides” Produce toxins that are poisonous to
vertebrates Phytophthora infestans
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Green, Brown, Red Algae
Brown and Red often called “seaweed” Green algae “pond scum” Kelp-brown Porphyra-red Spirogyra-green
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C. Fungi-like Protists
Fungus like protists Decomposers Can move at some
time in their life No chitin in cell wall
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Slime Molds Appear much like fungus Potato Famine-1840’s Phytophthora infestans.
– 1 million dead, 1 million left