Real Talk

Topics: Eukaryote, Protist, Malaria Pages: 5 (604 words) Published: February 4, 2013
                     Biology 11
PLO B1: Protists
Worksheet
                                                        Unit 5 Lessons 1 to 3

1. Use a Venn Diagram to compare and contrast a prokaryotic cell (Moneran) with a eukaryotic cell (Protista).(5 marks)

  

2. Use a 4-Point concept map to define and describe the characteristics of the Kingdom Protista. (10 marks)

  

3. Use the table below to relate the structural adaptations of 3 different Protists to their diverse roles in food chains and locomotion. (5 marks)

|Attribute |Example |Structural Adaptation |Food Chain Role | |A. Food acquisition |Amoeba |An amoeba often has two nuclei |bacteria and microalgae can also | | | |because of its size |feast on the amoeboid contents. | | |Paramecium |paramecium and other fresh |Paramecia are a key link in detritus-based food| | | |water protozoans have special |webs in aquatic ecosystems. | | | |contractile vacuoles which bail| | | | |out excess water. | | | |Euglena |Euglena have a red eye-spot |they serve as excellent bio indicators of | | | |that acts as a compass to |environment changes | | | |direct them to areas of | | | | |sunlight | | |B. Locomotion |1. Amoeba |The locomotion in the amoeba is| | | | |effected by the formation of | | | | |temporary finger-like processes| | | | |of pseudompodia | | | |2. Paramecium |They swim by rotating slowly | | | | |and changing directions often | | | |3. Euglena |They can use their long | | | | |flagellum, which whips back and| | | | |forth and propels the euglena, | |

4. Use a specific example to demonstrate how knowledge of a pathogenic (i.e. disease-causing) Protist's life cycle can be used to control its spread. (3 marks) | | |Malaria: Developing antimalarial drugs to disrupt the life cycle of the malaria parasite. Controlling the metabolic or reproductive will | |control the...
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