1. Diversity of Life (continued) Protists & Fungi

2. 2 Figure 13.27a

3. 3 Figure 13.27b

4. 4 Domain Eukarya Kingdom Protista

5. 5 Amoeba eating by engulfing prey (phagocytosis).

6. 6 Foraminiferan – pseudopods extending through calcium carbonate shell.

7. 7 Domain Eukarya Kingdom Protista (Paramecium)

8. 8 Flagellated protozoan: Giardia lamblia

9. 9 Euglena

10. 10 Various red algae

11. 11 Kelp forest

12. 12 Domain Eukarya Kingdom Fungi

13. 13 Characteristics of Fungi Multi-cellular eukaryotes obtaining  nutrition through absorption (digestion occurs outside the organism) Cell walls made of chitin (KI-tin) (not cellulose, as in plants) Examples: yeast, mold mushrooms, rusts,

14. 14

15. 15 The common mold Rhizopus decomposing strawberries.

16. 16 Detriments of Fungi Damage to buildings, clothes, etc (break-down wood, cotton, etc) Food spoilage Diseases in humans: Athlete’s Foot, yeast infections, ringworm Diseases in plants Irish Potato famine, Dutch Elm Disease

17. 17

18. 18 Benefits of Fungi (mushrooms, mold, & yeast) DECOMPOSERS! Food: Morels, mushrooms on pizza, bleu cheese Essential to baking and brewing industries (Yeast) Molds produce antibiotics! (Penicillium) Q: “Who” do antibiotics kill? Q: Do antibiotics work on fungal infections?

19. 19 Penicillium inhibiting growth of Staphylococcus.