Domain Eukaryota Kingdom Protista

What is a protist? A “misfit” organism A “misfit” organism A eukaryotic cell(s), single celled or multi-cellular A eukaryotic cell(s), single celled or multi-cellular 3 types 3 types –Plant-like –Animal-like –Fungus-like

Our protist lab We will be examining some animal- like and plant-like protists We will be examining some animal- like and plant-like protists

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

Giardia lamblia Giardia lamblia –Contaminated H 2 0 Lactose intolerance and diarrhea Lactose intolerance and diarrhea Cryptosporidium parvum Cryptosporidium parvum –Animal feces Severe diarrhea, vomiting Severe diarrhea, vomiting Trypanosoma brucei Trypanosoma brucei –Tsetse fly vector Fever, anemia, organ disorders, neurological deterioration Fever, anemia, organ disorders, neurological deterioration Control amount of debris in freshwater Control amount of debris in freshwater –some Paramecium Produce oxygen Produce oxygen –algae like Spirogyra Symbiotic relationships Symbiotic relationships –Provide color and carbon source for coral –Forming lichens which creates soil Harmful Beneficial Protists can be… The Bad Bug Book

Blepharisma canum/americanum.jpg Ciliate Ciliate  m long  m long Rose colored Rose colored

Paramecium b60c8b7f8cfbe21c26e87498/paramecium.gif Ciliate Ciliate Freshwater environments Freshwater environments  m long  m long

Stentor coeruleus Ciliate Ciliate Freshwater lakes and streams Freshwater lakes and streams  m long  m long Trumpet shaped blue to blue-green Trumpet shaped blue to blue-green

Euglena Euglenid Euglenid Nutrient rich freshwater Nutrient rich freshwater  m long  m long Bright green Bright green

Amoeba Amoeboid movement – use of psuedopods Amoeboid movement – use of psuedopods Mud, water, can be parasitic Mud, water, can be parasitic  m long  m long Clear, transparent Clear, transparent da/Ameoba_s25_swedetownplant2_402.jpg

Volvox Chlorophyta Chlorophyta Ponds ditches, shallow puddles Ponds ditches, shallow puddles Up to 1.5 mm in diameter Up to 1.5 mm in diameter