What is a Mollusk?
There are _____ classes of Mollusks.
Five
Bivalve means...
two shells
Cephalopod means...
head-foot
Gastropod means...
stomach-foot
Polyplacophora means...
many plates
Mollusks have _____ main body parts.
Three
An example of a Bivalve is...
oyster, scallop, clam, or mussel
An example of a Cephalopod is...
squid, octopus, cuttlefish, or nautilus
An example of a Gastropod is...
snail or sea slug
Scaphopod means...
shovel-foot
A tube-like structure in which water flows is called a...
siphon
Bivalves feed on...
plankton and organic matter
To capture food, Cephalopods have...
tentacles and arms
The lifestyle that these animals exhibit is...
benthic/benthos
An example of the Polyplacophora are the...
chitons
All Mollusks have this structure, which protects all the soft body parts inside. It is called a...
mantle
The two functions of the gills in Bivalves is...
breathing and feeding
The internal shell in some Cephalopods is called a...
pen
Attached to the upper part of the snail's foot is this trapdoor like sheet called a...
operculum
An example of the Scaphopods are the...
tusk shells
The type of body symmetry exhibited by Mollusks is...
bilateral
The shell of a Bivalve is made of...
calcium carbonate
The pigmented cells that allow the animal to blend in with its environment are callled...
chromatophores
The toothed-like structure in a snail is called a...
radula
Where in the world would you find Scaphopods?
tropical regions