PROTISTA

ProtistaCharacteristics• eukaryotic• most unicellular, some multicellular• heterotrophic, autotrophic or both

3 Main groups• plant like Protists

– algae• animal like Protists

– protozoans• fungus like Protists

Protista

Plant like Protists• algae• microscopic to large• autotrophs contain chlorophyll• food source for fresh water and marine animals• classified on color and structure

Protista

Plant like Protists

EUGLENOIDS• Example: Euglena

GOLDEN ALGAE• Example: diatoms

Protista

GREEN ALGAEExample: volvox,

spirogyra

BROWN ALGAEExample- Kelp

Plant like Protists Protista

RED ALGAEExample: Chondrus

crispus

DINOFLAGELLATESExample:

dinoflagellates

Plant like Protists Protista

Animal like Protists• protozoans (first animal)• unicellular• move• classified by locomotion• heterotrophic• some actively trap food• parasites

Protista

AMOEBAEx: amoeba

CILATES-Ex: paramecium

Animal like Protists Protista

SPOROZOAEx: Plasmodium

malariae

FLAGELLATESEx: Trypanosoma

Animal like Protists Protista

Fungus like Protists• heterotrophs• change from unicellular to multicellular• engulf by phagocytosis• live on decaying matter - detrivore• decomposers

Protista

Slime Mold Water Mold

Fungus like Protists Protista

zooplankton (protozoans) phytoplankton (algae)

Serve as a food source for other organisms

Protista

Answer the following questions?

• What are the three groups of protist and how are each classified?

• What is phagocytosis?• Where can you find protist?

Protista