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PROTISTSThe “Little Guys”
BUT… There are some general characteristics they all share:
Unicellular (made of one cell)
Eukaryotes (have a nucleus)
Live in moist environments
Protists
Animal-like Protozoans
Plant-like Algae
Fungus-like
• Heterotrophs
• Classified by how they move
• Autotrophs
• Have cell walls
• Heterotrophs
• Have cell walls
- Sarcodines
- Ciliates
- Zooflagellates
- Sporozoans
PROTOZOANS
Move using PSEUDOPODS (“false feet”), bulges of the cell membrane
Example: AMOEBA
Pseudopod
Sarcodine Animations/Videos
PROTOZOANS
Move using CILIA, tiny hair-like projections that move in a wavelike motion, acting like oars
Example: PARAMECIUMCilia
Ciliate Animations/Videos
PROTOZOANS
Move using FLAGELLA, a long, whip-like structure
Example: EUGLENAFlagella
Zooflagellate Animations/Videos
PROTOZOANS
Parasites that feed on the cells and fluids of their host
Example: PLASMODIUM (causes malaria)
Transmitted by mosquitoes
ALGAEDiatoms
Dinoflagellates
Green Algae
Brown Algae
Red Algae
FUNGUS-LIKE
Slime Molds
Water Molds
Downy Mildews