Question

Case Study Exercise 3 A Survey of Protists PRE-LAB QUESTIONS Remember, Understand. Apply Which supergroup of protists contain members with a feeding groove on one side of the organism? excavat SAR cachaplastida d. unita 2. Characteristics important in the classification of members of the excavata include which two of the following? a nucleus mitochondria pseudopod 9. Human pathogens are found in which subgroup of the unikonta? a. tubulinid b. entamoeba C. slime molds d. poryphera 10. Long, threadike pseudopods are found in members which group? a. ciliates b. rhizarians c. alveolates d. stramenopiles 11. Match each of the photosynthetic pigments on the with the colors on the right a. chlorophyll b. phycoerythrin Orange C. Carotenoids Yellow d. xanthophyll Green e. fucoxanthin Brown 12. Define the following terms using the laboratory exercise or glossary Flagellum d agella The protective covering that some protists can produce is an Cilia Pseudopod a endospore trophozoite c. cyst d. pseudopod Kefarge seaweed) would most likely be found in which group within the SAR? a stramenopiles b. apicomplexans c. alveolates d. thizalans 5. A protist that may acquire energy both photosynthetically and heterotrophically is described as being a/n a facultative phototroph. b. saprotroph. c. mixotroph d. biphasic organism. 6. Members of the genus Plasmodium cause a. malaria. b. sleeping sickness c. diarrheal disease. d. shellfish poisoning. Diatoms have shells composed of u. cellulose b. chitin c. peptidoglycan d. silicon dioxide Photosynthetic pigment MATERIALS The agar used to solidify plates in the microbiology lab is extracted from a green algae. . golden algae . brown algae. - red algae. Each student should have access to the following: Several bottles containing pond water samples Cultures of Amoeba Prepared slides of Trypanosoma sp. Prepared slides of Plasmodium sp. Microscope slides and cover slips Pasteur pipettes and forceps

Answer 1

1. Exacavata are a group of protista which are assymetrical in appearance and have a feeding groove on on side which gets excavated

answer : A

2. Excavates are classified on the basis of their flagellas and also considered to have the most basal lineage
answer : D

Note :

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