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Protist Notes p. 468. Protists Eukaryotes (have nucleus) Eukaryotes (have nucleus) Most unicellular (made of only 1 cell) Most unicellular (made of only.

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Presentation on theme: "Protist Notes p. 468. Protists Eukaryotes (have nucleus) Eukaryotes (have nucleus) Most unicellular (made of only 1 cell) Most unicellular (made of only."— Presentation transcript:

1 Protist Notes p. 468

2 Protists Eukaryotes (have nucleus) Eukaryotes (have nucleus) Most unicellular (made of only 1 cell) Most unicellular (made of only 1 cell) Many kinds Many kinds

3 I. Animal-Like Protists (Protozoans) Heterotrophs (cant make own food) Heterotrophs (cant make own food) Most able to move around Most able to move around Unicellular Unicellular Types: Types:

4 1.Protozoan with Pseudopods (Sarcodines) Pseudopod – false foot or bulge of cytoplasm used to move/feed Pseudopod – false foot or bulge of cytoplasm used to move/feed Example: Amoeba Example: Amoeba

5 2. Protozoans with Cilia (Ciliates) Cilia – hairlike projections that move like waves, used to move or get food Cilia – hairlike projections that move like waves, used to move or get food Example: Paramecium Example: Paramecium

6 3. Protozoans with flagella (flagellates) Flagella – long, whiplike tail Flagella – long, whiplike tail Symbiosis – relationship where at least one partner benefits Symbiosis – relationship where at least one partner benefits Mutualism – relationship when both partners benefit Mutualism – relationship when both partners benefit Parasite – relationship when one partner harms another (its host) Parasite – relationship when one partner harms another (its host)

7 4. Protozoans that are parasites Feed on the cells/body fluids of their host Feed on the cells/body fluids of their host

8 II. Plantlike Protists Autotrophs (make own food using suns energy) Autotrophs (make own food using suns energy) Algae Algae Important food source Important food source Contribute oxygen Contribute oxygen Many pigments (chemicals that produce color) Many pigments (chemicals that produce color)

9 1. Diatoms Unicellular Unicellular Dead used as Dead used as Polish Polish Scouring Scouring insecticide insecticide

10 2. Dinoflagellates Unicellular Unicellular 2 flagella 2 flagella Some glow in dark Some glow in dark

11 3. Euglenoids Green Green Heterotrophs when no sun Heterotrophs when no sun Example: Euglena Example: Euglena

12 4. Volvox Volvox are round Volvox are round They live in colonies They live in colonies autotrophic autotrophic

13 5. Green Algae Most unicellular Most unicellular Found in water or land Found in water or land

14 6. Brown Algae Most seaweeds Most seaweeds Color: green, yellow, orange, or brown Color: green, yellow, orange, or brown Live in water Live in water Some used as food Some used as food

15 1. Slime molds Bright colors Bright colors Vary in size Vary in size Ooze Ooze

16 2. Water mold/downy mildew Live in water/moist places Live in water/moist places Example: water mold that killed Irish potato crops (1845, 1846) Example: water mold that killed Irish potato crops (1845, 1846)


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