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Mollusks (Grade 10)

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Mollusks

1. 
What is true about all mollusks?
  1. They all have at least one shell.
  2. They are all hermaphroditic (no defining of male or female).
  3. They are all aquatic.
  4. They all have soft bodies covered with a mantle.
 
2. 
In mollusks, the structure that may or may not produce a shell is the
  1. radula.
  2. foot.
  3. tentacle.
  4. mantle.
3. 
                includes clams, oysters, and mussels.
  1. Gastropoda
  2. Bivalvia
  3. Cephalopoda
 
4. 
                includes squids and octopuses.
  1. Gastropoda
  2. Bivalvia
  3. Cephalopoda
5. 
                includes snails, sea slugs, and slugs.
  1. Gastropoda
  2. Bivalvia
  3. Cephalopoda
 
6. 
Which statement is true of cephalopods?
  1. They form pearls in their shells.
  2. They are filter feeders.
  3. They have no shells.
  4. They have well-developed eyes.
7. 
Some                 live buried underwater in sand and mud.
  1. gastropods
  2. bivalves
  3. cephalopods
 
8. 
                move by jet propulsion.
  1. Gastropods
  2. Bivalves
  3. Cephalopods
9. 
                can live on land or in water.
  1. Gastropods
  2. Bivalves
  3. Cephalopods
 
10. 
                have strong abductor muscles to hold the shell closed.
  1. Gastropods
  2. Bivalves
  3. Cephalopods
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