Enter your Name:   Enter your E-mail Address:  The classification groups within kingdom Protista Subkingdoms Phyla (in no particular order) Algae Mastigophora Protozoa Sarcodina   Chlorophyta   Chrysophyta   Rhodophyta   Sporozoa   Pyrrophyta   Ciliophora   Phaeophyta 01a. Define Thallus 01b. Define Symbiosis 01c. Define Vacuole 02. If an organism from kingdom Protista is heterotrophic, what subkingdom is it most likely in? 03. What phylum produces organisms whose remains are used as an abrasive in toothpaste? What is the generic name given to these organisms? 04. Some forms of algae have a chemical that can be used as a thickening agent in many consumer products. What is this chemical and in what phylum do these algae belong? 05. What phylum contains organisms that must have two nuclei? What are these nuclei called and what is the function of each? 06. Name one organism in kingdom Protista that is pathogenic. Name the malady that this organism causes. 07. If all diatoms were to suddenly go extinct, what would happen to the earth's atmosphere? 08. An organism forms a hard shell around itself in response to life-threatening conditions. If those life-threatening conditions had not occurred, it never would have behaved in such a way. Is this organism from phylum Sporozoa? Why or why not? 09. Two samples of cytoplasm from an amoeba are studied. The first is thin and watery, while the second is thick. Which sample was taken near the plasma membrane and which was taken from the center of the amoeba? 10. An organism from phylum Mastigophora cannot move. What organelle is not functioning? 11. An organism from phylum Ciliophora has no place to store its food once it takes the food in. What organelle is it missing? 12. If an organism in subkingdom Algae has chlorophyll, what organelle must it also have? 13. Even though kingdom Protista is mostly known for its single-celled creatures, there are two phyla that contain multicellular organisms. What phyla are they? 14a. Classify the following organism below into its proper subkingdom and phylum. 14b. Classify the following organism below into its proper subkingdom and phylum. 14c. Classify the following organism below into its proper subkingdom and phylum.