Domain EukaryotaDomain Eukaryota

Kingdom ProtistaKingdom Protista

What is a protist?What is a protist?

A “misfit” organismA “misfit” organism A eukaryotic cell(s), single celled A eukaryotic cell(s), single celled

or multi-cellularor multi-cellular 3 types3 types

– Plant-likePlant-like– Animal-likeAnimal-like– Fungus-likeFungus-like

Our protist labOur protist lab

We will be examining some We will be examining some animal- like and plant-like protistsanimal- like and plant-like protists

http://www.daviddarling.info/images/amoeba_pseudopodia.jpg

How do they move?By cilia, flagella or pseudopods…

Giardia lambliaGiardia lamblia– Contaminated HContaminated H2200

Lactose intolerance and Lactose intolerance and diarrheadiarrhea

Cryptosporidium Cryptosporidium parvumparvum– Animal fecesAnimal feces

Severe diarrhea, Severe diarrhea, vomitingvomiting

Trypanosoma bruceiTrypanosoma brucei– Tsetse fly vectorTsetse fly vector

Fever, anemia, organ Fever, anemia, organ disorders, neurological disorders, neurological deteriorationdeterioration

Control amount of Control amount of debris in freshwater debris in freshwater – some some ParameciumParamecium

Produce oxygenProduce oxygen– algae like algae like SpirogyraSpirogyra

Symbiotic Symbiotic relationships relationships – Provide color and Provide color and

carbon source for coralcarbon source for coral– Forming lichens which Forming lichens which

creates soilcreates soil

HarmfulHarmful Beneficial

Protists can be…

The Bad Bug Book

BlepharismBlepharismaa

http://protist.i.hosei.ac.jp/PDB/Images/Ciliophora/Blepharisma/americanum/americanum.jpg

CiliateCiliate 150-300 150-300 m m

longlong Rose coloredRose colored

http://www.youtube.com/watch?v=AgXrjzKhh9k

ParameciuParameciumm

http://101science.com/paramecium.htm

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CiliateCiliate Freshwater Freshwater

environmentsenvironments 50-350 50-350 m longm long

http://www.youtube.com/watch?v=ocv67Px49AA

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CiliateCiliate Freshwater lakes Freshwater lakes

and streamsand streams 500-2000 500-2000 m longm long Trumpet shaped Trumpet shaped

blue to blue-greenblue to blue-green

http://www.youtube.com/watch?v=rqD3m9hHhlo

EuglenEuglenaa

EuglenidEuglenid Nutrient rich Nutrient rich

freshwaterfreshwater 20-300 20-300 m longm long Bright greenBright green

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http://www.youtube.com/watch?v=JNwh67CPh-8

AmoebaAmoeba

Amoeboid Amoeboid movement – use movement – use of psuedopodsof psuedopods

Mud, water, can Mud, water, can be parasiticbe parasitic

10-20 10-20 m longm long Clear, Clear,

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http://www.youtube.com/watch?v=7pR7TNzJ_pA

VolvoxVolvox

ChlorophytaChlorophyta Ponds ditches, Ponds ditches,

shallow puddlesshallow puddles Up to 1.5 mm in Up to 1.5 mm in

diameterdiameter

http://www.unbf.ca/vip/photos/volvox2.jpg