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BioB 1N3 Protista
BioB 3-01 Describe members of the kingdom Protista
BioB 3-02 Identify the major groups of heterotrophic protists
BioB 3-03 Identify disease-causing protists
I. Describe members of the kingdom Protista
A. protists : Eukaryotes that are not members of the kingdoms plantae, animalia, or fungi
B. A diverse group, classification is more for convenience than real relationships
C. Besides their relatively simple levels of organization, the protists do not have much in common
D. Share some traits
1. all are unicellular, or they are multicellular without specialized tissues
2. Protists live in almost any environment that contains liquid water
E. Often separated based on feeding habits
1. animal-like protists : Heterotrophic members of the kingdom protista
2. plant-like protists : Autotrophic members of the kingdom protista
3. fungus-like protists : Heterotrophic members of the kingdom protista that digest their food externally
II. Identify the major groups of heterotrophic protists
A. 4 phyla of Protozoans : Animal-like protists
B. Divided based on how they move
C. Phylum Zoomastigina : Animal-like protists that move with flagella
1. Also referred to as Zooflagellates : Members of the phylum Zoomastigina
2. Flagella : Long whip-like projections that allow cells to move
3. Examples:
a. Trypanosoma : The zooflagellate that causes African sleeping sickness
b . Trichonymph : The zooflagellate that helps termites digest wood
D. Phylum Sarcodina : Animal-like protists that move with pseudopods
1. Pseudopods
: “False Feet”; extensions of the cytoplasm used to feed or move
2. A pseudopod is extended
3. Then the cytoplasm streams into the pseudopod
4. Amoeboid Movement : Using pseudopods to move
5. Examples:
a. Amoeba : A sarcodinian that lives on the bottom of lakes and ponds
b. Foraminifers : Sarcodinians that form calcium or glass “shells”
E. Phylum Ciliophora : Animal-like protists that move with cilia
1. Also referred to as ciliates
2. Cilia : Short hair-like projections used by cells to move
3. Example: Genus Paramecium : A common ciliate in most lakes and ponds
4. Example: Euglena : A ciliate that both photosynthesizes and is heterotrophic
F. Phylum Sporozoa : Animal-like protists that do not move on their own
BioB 3N3 Animal Like Protists Page 1 of 3

1. Most are parasites that cause diseases
2. Also called sporozoans
3. Reproduce by using sporozites : A specialized type of spore
4. Example: Plasmodium : A sporozoan that causes malaria by destroying red blood cells
III. Identify disease-causing protists
A.
Plasmodium : A sporozoan that causes malaria by destroying red blood cells
B. Trypanosoma : The zooflagellate that causes African sleeping sickness
C.
Giardia lamblia: The cause of giardia, a disease that produces fatigue, nausea, diarrhea, and cramps
D. Entamoeba histolytica : The amoeba that causes dysentery : An illness that includes bleeding, diarrhea, vomiting, and sometimes death. protists: Eukaryotes that are not members of the kingdoms Plantae, Animalia, or Fungi animal-like protists: Heterotrophic members of the kingdom Protista plant-like protists: Autotrophic members of the kingdom Protista fungus-like protists: Heterotrophic members of the kingdom Protista that digest
TOP: Protista MSC: Mine REF: BioB 1N3 OBJ: BioB 3-01 protozoans: Animal-like protists phylum zoomastigina: Animal-like protists that move with flagella zooflagellates: Members of the phylum Zoomastigina flagella: Long whip-like projections that allow cells to move trypanosoma: The zooflagellate that causes African sleeping sickness trichonymph: The zooflagellate that helps termites digest wood phylum sarcodina: Animal-like protists that move with pseudopods pseudopods: “False Feet”; extensions of the cytoplasm used to feed or move amoeboid movement: Using pseudopods to move amoeba: A sarcodinian that lives on the bottom of lakes and ponds foraminifers: Sarcodinians that form calcium of glass “shells” phylum ciliophora: Animal-like protists that move with cilia cilia: Short hair-like projections used by cells to move paramecium: A common ciliate in most lakes and ponds
BioB 3N3 Animal Like Protists Page 2 of 3

sporozoa: Animal-like protists that do not move on their own sporozoites : A specialized type of spore
Euglena : A ciliate that both photosynthesizes and is heterotrophic plasmodium: A sporozoan that causes malaria by destroying red blood cells
REF: BioB 1N3 OBJ: BioB 3-02 TOP: Protista MSC: Mine plasmodium: A sporozoan that causes malaria by destroying red blood cells trypanosoma: The zooflagellate that causes African sleeping sickness
Giardia lamblia: The cause of giardia, a disease that produces fatigue, nausea, diarrhea, and cramps
Entamoeba histolytica: The amoeba that causes dysentery dysentery: An illness that includes bleeding, diarrhea, vomiting, and sometimes death.
OBJ: BioB 3-03 TOP: Protista MSC: Mine REF: BioB 1N3
BioB 3N3 Animal Like Protists Page 3 of 3