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6. Which of the following is not a function of the protists cytoskeleton?

  • Digestion of particles
  • Allows for varied cell shape
  • Allows the cell to take up other particles
  • Allows intracellular motility and transport
  • Enables movement of the whole cell

7. Which of the following are ways that Protists obtain nutrition?

  • Mixotrophic
  • Phototrophic
  • All of the above
  • Phagotrophic

8. 'Ciliates are a monophyletic group'- what does this mean?

  • The group ciliates contains all the descendants of the closest common ancestors of ciliates.
  • Theres only one phylum

9. Which of the following is a ciliate?

  • Massisteria
  • Apicomplexa (plasmodium parasite which causes malaria)
  • Paramecium & apicomplexa
  • Massisteria & Giarda
  • Paramecium

10. Paramecium have 2 nuclei

  • True
  • False

11. How do paramecium reproduce?

  • Both
  • Binary fission (asexually)
  • Conjugation (sexually)

12. Which of the following outlines how Paramecium digest food?

  • mouth pore- food vacuole- waste secreted via mouth pore
  • mouth pore- gullet- food vacuole- anal pore
  • mouth pore- food digested by enzymes- anal pore

13. 'Flagellates are polyphyletic' what does this mean?

  • A group composed of a number of organisms which don't include their most recent common ancestor.
  • More than one phylum

14. Which of the following are flagellates?

  • Labryrinthula
  • Giarda & choanoflagellates
  • Giarda
  • Choanoflagellates
  • Testate

15. Choanoflagellates have been ruled out as a possible ancestor of humans.

  • False
  • True

16. What is special about Giarda?

  • They have no mitochondria
  • Have only one flagellum

17. Giarda is a parasite. What illness does it cause?

  • Ascariasis
  • Diahorea
  • Trichinosis
  • Stomach flu, migranes and dehydration.

18. Giarda has 2 different life cycle stages to survive the wide variety of environments they are exposed to. What are the names of the 2 stages?

  • Cysts & trophozoites
  • Oocyst & Cysts
  • Oocyst & trophozoites
  • Cysts & Gametophyte
  • Trophozoites & Gametophyte

19. Which cycle is exposed to dry, hostile environments so are resistant to dessication and passed in faeces? This is the stage that infects the host.

  • Trophozoites
  • Gametophyte
  • Cysts
  • Oocyst

20. Which cycle stage is motile, feeds and is involved in reproduction?

  • Oocyst
  • Gametophyte
  • Trophozoites
  • Cyst