Kingdom ProtistaKingdom Protista

Mrs. LearyMrs. Leary

FactsFacts

Eukaryotes – nucleus!Eukaryotes – nucleus! Unicellular or simple Unicellular or simple

multicellularmulticellular Usually feed on bacteriaUsually feed on bacteria Take food in by Take food in by

endocytosis endocytosis Some make their own Some make their own

through photosynthesisthrough photosynthesis Food and wastes Food and wastes

exchanged through cell exchanged through cell membranemembrane

FactsFacts

Gas exchange through Gas exchange through cell membranecell membrane

Movement by flagella, Movement by flagella, cilia, or pseudopodiacilia, or pseudopodia

Very simple muscular Very simple muscular system to make them system to make them move (contractile fibers)move (contractile fibers)

No circulatory system- No circulatory system- nutrients and wastes get nutrients and wastes get moved through moved through cytoplasmic streamingcytoplasmic streaming

FactsFacts

No Skeletal or No Skeletal or nervous systemsnervous systems

Cell membrane or cell Cell membrane or cell wall covers protistswall covers protists

Reproduction both Reproduction both sexual and asexualsexual and asexual

Asexual – binary Asexual – binary fissionfission

Sexual - conjugationSexual - conjugation

Diseases caused by protistsDiseases caused by protists

Some cause disease Some cause disease Giardia – causes Giardia – causes

diarrheadiarrhea plasmodium – malaria plasmodium – malaria

(mosquitoes) (mosquitoes) trypanosoma – trypanosoma –

African sleeping African sleeping sickness (tsetse fly)sickness (tsetse fly)

amoebic dysentery – amoebic dysentery – diarrheadiarrhea

ExamplesExamples

Protozoans: animal-likeProtozoans: animal-like Algae: plant-likeAlgae: plant-like Myxomycota (slime Myxomycota (slime

molds)- fungus-likemolds)- fungus-like

SeaweedSeaweed ParameciumParamecium AmoebaAmoeba EuglenaEuglena Slime moldsSlime molds DinoflagellatesDinoflagellates