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CHAPTER 19 – PROTISTS

 

Characteristics of Protists

 

 

 

 

 

 

 

Movement of Protists is achieved by:

 1.          Flagellum -

 

 

2.          Cilia

 

 

3.          Pseudopods

 

 

 

  

 

 

 

 

 

Protists can sense & respond to environment

 Euglena have an ___________________ that detects light. They are ____________________ (and ___________________), and swim toward light

 

Paramecium avoid light -> seek __________ places where food (__________________________) may be found.

 

Protist Reproduction

 

 

 

 

 

 

Evolutionary Relationships among Organisms

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Paramecium
(Refer to “Tour of a Protist” on page 361)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Contractile Vacuoles –

  

 

Food Vacuole –

 

 

Macronucleus –

  

 

Micronucleus –

  

 

Exocytosis –

  

 

Endocytosis –

 

 

 

CLASSIFICATION OF PROTISTS

 Autotrophic Protists (Algae) “Plantlike Protists”

 

 

 

 

 

 

 

 

Unicellular Algae

 

 

 

 

 

 

 

 

Multicellular Algae

Brown Algae

 

 

 

Red Algae

 

 

Green Algae

 

 

 

Heterotrophic Protists

 

Animal-Like Protists (Protozoans)

  

 

 

 

 

Zoomastigotes

 

 

 

 

 

 

Ciliates

 

 

 

 

 

 

 

Fungus-Like Protists (Examples: Slime Molds & Water Molds)

 

Slime Molds

 

 

 

 

 

 

 

Water Molds

 

 

 

 

 

Autotrophic AND Heterotrophic Protists

 

 

 

 

 

DISEASES CAUSED BY PROTISTS

 

  

 

 

Malaria

 

 

 

 

 

 

 

 

 

A Parasitic Protozoan causes Malaria (Plasmodium)
Refer to figure 19-13

 

 

 

 

 

 

 

 

 

 

Symptoms of Malaria

 

 

 

 

 

 

 

 

 

Treatment & Prevention of Malaria

 

 

 

 

 

 

 

 

 

 

 

Disease Host Organism Transmitted via...
Amoebic dysentery Humans Entamoeba  
Malaria Humans Plasmodium  
Toxoplasmosis Humans, cats Toxoplasma  
Giardiasis Humans Giardia  
Sleeping Sickness Humans, Tsetse Flies Trypanosoma  
Chagas' disease Humans, Kissing Bugs Trypanosoma  
Leishmaniasis Humans, Sand Flies Leishmania  

  

    

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