PROTIST NOTES Mr. Peterson

Animal-like Protists From Bacteria to Plants (small book B) pages 37B - 40B. From Bacteria to Plants (small book B) pages 37B - 40B. General Characteristics General Characteristics All are hetertrophs All are hetertrophs Known as protozoans Known as protozoans Unicellular (one celled) Unicellular (one celled) Classified by how they move Classified by how they move

Animal-like Protists Ciliates Ciliates Have cilia = short, threadlike structure Have cilia = short, threadlike structure Example: Paramecium Example: Paramecium

Animal-like Protists Flagellates Flagellates Move by using flagella Move by using flagella Some are parasites Some are parasites Some for symbiotic relationship Some for symbiotic relationship

Animal-like Protists Sarcodines Sarcodines Move with pseudopods (temp extensions of cytoplasm) Move with pseudopods (temp extensions of cytoplasm) Also feed with pseudopods Also feed with pseudopods

Animal-like Protists Other protozoans Other protozoans Parasites Parasites

Fungus-like Protists From Bacteria to Plants (small book B) pages 40B – 42B. From Bacteria to Plants (small book B) pages 40B – 42B. General Characteristics General Characteristics Produces spores (like fungi) Produces spores (like fungi) Most move place to place using pseudopods Most move place to place using pseudopods Heterotrophs Heterotrophs Have cell walls Have cell walls

Fungus-like Protists Slime Molds Slime Molds Feed on decaying logs/leaves in moist, cool, shady environments Feed on decaying logs/leaves in moist, cool, shady environments Many different colors Many different colors

Fungus-like Protists Water Molds and Downey Mildews Water Molds and Downey Mildews Molds- mass of thread like/fuzzy, white growths (caused potato famine) Molds- mass of thread like/fuzzy, white growths (caused potato famine) Mildews- live on above –ground parts of plants Mildews- live on above –ground parts of plants

Plant-like Protists From Bacteria to Plants (small book B) pages 33B – 36B. From Bacteria to Plants (small book B) pages 33B – 36B. General Characteristics General Characteristics Contain chlorophyll in chloroplasts = able to make own food (autotroph) Contain chlorophyll in chloroplasts = able to make own food (autotroph) Known as algae Known as algae Unicellular OR Multicellular Unicellular OR Multicellular

Plant-like Protists Diatoms Diatoms Glasslike boxes around them Glasslike boxes around them Fresh and salt water Fresh and salt water Unicellular Unicellular Used in toothpaste and polishes Used in toothpaste and polishes

Plant-like Protists Dinoflagellates Dinoflagellates Two flagella and unicellular Two flagella and unicellular Salt water Salt water Many glow Many glow Cause red tides Cause red tides

Plant-like Protists Euglenoids Euglenoids Eyespot helps move toward light Eyespot helps move toward light Unicellular Unicellular Can change to be heterotroph Can change to be heterotroph

Plant-like Protists Red Algae Red Algae Red colors absorb light Red colors absorb light Multicellular seaweed Multicellular seaweed Live 200M deep in ocean Live 200M deep in ocean In foods like ice cream In foods like ice cream Carrageenan Carrageenan Alginates Alginates Beta Carotene Beta Carotene

Plant-like Protists Green Algae Green Algae Multicellular seaweed or Unicellular Multicellular seaweed or Unicellular Green color/pigment Green color/pigment Fresh water Fresh water

Plant-like Protists Brown Algae Brown Algae Multicellular seaweed Multicellular seaweed Saltwater Saltwater Brown Pigement (Kelp) Brown Pigement (Kelp) Protists Brain Pop Protists Brain Pop