1. Ecological Roles of Protists
21.3

2. The position of photosynthetic protists at the base of the food chain makes much of the diversity of aquatic life possible

3. Roles p. 611 Feeding fish and whales Supporting coral reefs
Providing shelter
Recycling wastes
POPCORN READ!

4. Heterotrophic protists
Amoebas
Capture and digest their food, surrounding a cell or particle and form a FOOD VACUOLE
A small cavity in the cytoplasm that temporarily stores food

5. Ciliates Paramecium Use cilia to sweep food particles into the GULLET
Indentation in one side of the organism

6. Slime Molds Thrives on decaying matter
Damp and rich in organic matter (forest floor)
Great recyclers
What is a plasmodium (glossary)?

7. Protists that absorb Water molds (grow on dead/ decaying matter)
White fuzz on fish 

8. Mutualists/ Symbiotic
Many protists are involved in mutualistic symbioses; host and they benefit
Use p. 614 and write an example like this in your notes

9. Parasites and Disease
Parasitic protists are responsible for some of the world’s most deadly diseases, including several kinds of debilitating intestinal diseases, African sleeping sickness and malaria
Read (p ) about each of the above three diseases and write down their symptoms
Be able to interpret the Plasmodium life cycle on p. 616