Protista
 
Origin of eukaryotic cells (Fig. 20.6)
 
endosymbiosis
 
Evolutionary tree of protistan groups (Fig. 22.2)
 

1. Diplomonads / Parabasalids
   
   • Giardia
   
   
   • Trichomonas
   
   
2. Euglenoids
   
   • Euglena
   
   
   • Trypanosoma
   
   
   • sleeping sickness
   
   
   • Chaga's disease
   
   
3. Amoeboid protozoans
   
   • rhizopods
   
   
   • actinopods
   
   
4. Alveolates
   
   • Ciliates
   
   
   • Sporozoans
   
   
   • Cryptosporidium
     
   • toxoplasmosis
   
   
   • Plasmodium
   
   
   • malaria
   
   
   • Dinoflagellates
   
   
   • red tide
   
   
   • bioluminescence
   
   
   • Pfiesteria
   
   
5. Stramenopiles
   
   • water molds
   
   
   • Sudden Oak Death Syndrome
   
   
   • diatoms
   
   
   • brown algae