Name __________________

Chapter 29 Study Guide                                             

1.  Name 3 examples of cnidarians.

2.  How does a hydra move?  _____________________

3.  Identify this organism.   ___________________

4.  What type of symmetry does it have?  _________________

5.  Are sponges autotrophs or heterotrophs?  _______________

6.  Digestion in the hydra takes place in this cavity.  ____________________

7.  The scientific name for a blood fluke is ___________________

8.  A planarian has an anus (true or false)  ___________________

9.  Stinging cells in cnidarians are called ___________________

10.  Which worm had a pharynx?  ______________________

11.  To what Kingdom do sponges belong?  ________________

12.  What organism did we study that was a filter feeder?  ______________

13.  What is the intermediate host of schistosoma?  ____________

14.  What type of symmetry does the planarian have?  _________________

15.  The simplest multicellular animal is the _______________

16.  Which cnidarian (jellyfish, coral or hydra) spends the majority of its life as a medusa? ______________________

17.  The “harpoons” on the cnidarian stinging cells are called ________________

18.  Muscle soreness is a symptom of what parasitic infection? _________________

19. Hydras attach themselves to rocks with their _____________________

20. Which organism (hydra, planarian, or sponge)  is sessile?  _________________

21.  Which organism (planarian, roundworm, hydra) has a complete digestive tract? ___

22.  Each segment of a tapeworm is called a ________________

23.  Cells in the sponge that digest food are called _________________

24.  Which organism (sponge, planarian,or  tapeworm) lives in a host?  _____________

25.  Which organism (sponge, planarian, or tapeworm) has an eyespot?  ____________

26.  A planarian can reproduce by regeneration  (true or false)  _____________ 27.  Identify this organism.  (hydra, jellyfish,        sponge, or sea anemone)                       _____________________

 

28.  What type of symmetry does it have?  _________________

29.  Where do hydras live?  _______________

30.  A person would get trichinosis (trichinella) from eating  ______________

Choose the pairs that are most closely related. (circle)

31.  Portuguese man of war & jellyfish   OR     sea anemone and sponge

32.  Planarian & roundworm   OR  planarian & tapeworm

33.  Jellyfish & tapeworm   OR   tapeworm & fluke

34.  Sea anemone & hydra  OR  roundworm & sponge

35.   Sponge &  hydra   OR  hydra and jellyfish