General Biology/Classification of Living Things/Eukaryotes/Protists/Answers

1. f)

2.

a) G. lamblia

b) parasitic

3. Brown Algae (Phaeophytes) & Red Algae (Rhodophytes)

4. c); these Euglenoids cannot photosynthesis to produce energy, but they can still produce carbonic compounds by themselves.

5. Yes; zooxanthellae species photosynthesise and pass carbohydrates onto coral reefs in these nutrient-poor regions.