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The Echinoderms (Grade 10)

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The Echinoderms

1. 
What does the term "echindermata" mean?
  1. jointed leg
  2. spiny skin
  3. multiple eyes
  4. head-foot
 
2. 
Which of these organisms is NOT a member of the phylum Echinodermata?
  1. sea cucumber
  2. sea star
  3. sea biscuit
  4. sea anemone
3. 
Specifically, what type of symmetry do members of the Echinodermata exhibit?
  1. asymmetry
  2. pentaradial symmetry
  3. radial symmetry
  4. bilateral symmetry
 
4. 
What is the name of the structure echinoderms use to pump water into and out of their bodies?
  1. madreporite
  2. ambulacral groove
  3. tube feet
  4. ring canal
5. 
The structures echinoderms use for locomotion are called                         .
 
6. 
In echinoderms, sexes are separate and it is very easy to determine the male from the female.
  1. True
  2. False
7. 
What feeding mechanism do echinoderms use to get energy for themselves?
  1. They are producers.
  2. They are herbivores.
  3. They are predators.
  4. They are filter-feeders.
 
8. 
The location on a sea star's body where the tube feet are located is called the                                         .
9. 
What is the network of canals that moves water and nutrients around an echinoderm's body and also provides the power for the tube feet to function?
  1. the radial canal system
  2. the water vascular system
  3. the incomplete digestive system
  4. the open circulatory system
 
10. 
How do sea star tube feet attach to the substrate?



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