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Protists
Facts
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Eukaryotic organisms that can both harm and benefit humans
Evolutionarily younger than bacteria and viruses
Are unicellular & multicellular
Very diverse (14 phyla)
Protozoans
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Kingdom: Protista
“Animal-like” Protists
Reproduce by asexual fission (cloning) and by sexual reproduction
Various modes of movement:
Pseudopods (Amoeba)
Flagellates (Euglena)
Phylum Mastigophora
Phylum Sarcodina
Ciliates (Paramecium)
Phylum Ciliophora
Diseases Caused by Protists
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Malaria (Plasmodium)
African Sleeping Sickness (Trypanosomiasis)
Amoebic Dysentary (Entomoeba histolytica)
Chaga’s Disease (Trypanosome)
Giardia (Giardia)
Cure
 Antiobiotics will kill protists
 These diseases can also be treated by a variety of other medications
Fungi
Kingdom Fungi:
 Includes unicellular (yeast: baking brewing, wine making)
 And Multicellular (mushrooms)
 Multiple means of reproduction:
o Budding
o Spores
o Asexual
o Sexual
Fungal Diseases:
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Yeast infections
Athletes foot
Ringworm
Histoplasmosis
Valley Fever