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