Gastropods
Bivalves
Cephalopods
Name that Mollusk!
Mystery
100
This is what the word gastropod literally means.
What is stomach-footed?
100
This is how bivalves typically feed.
What is filter feeding?
100
This is the only cephalopod with an internal bone.
What is the cuttlefish?
100
This mollusk class have a very well-developed brain.
What is the cephalopod?
100
This is the class of mollusk in which a nautilus belongs.
What is a cephalopod?
200
This seals the entrance of a shell in gastropods.
What is the operculum?
200
This structure is the oldest part of a clam shell.
What is the umbo?
200
This structure is found in the mouth (beak) and helps squid and octopus tear apart their prey.
What is the radula?
200
This is the largest class of mollusks.
What are the gastropods?
200
This part of a mollusk secretes the shell.
What is the mantle?
300
This gastropod mates with many other members of its species all at once.
What is the sea hare?
300
These muscles contract to close a bivalve.
What are the adductors?
300
This is the only cephalopod with an external shell.
What is the nautilus?
300
This is the only class of mollusk that does not have a radula.
What are the bivalves?
300
This is how the squid moves.
What is jet propulsion?
400
This is what we call a gastropod that has lost its shell.
What is a nudibranch (sea slug)?
400
This structure allows nutrients to enter a clam and wastes to leave.
What is the siphon?
400
This is a modified arm of a cephalopod, used for sperm transfer.
What is the hectocotyl?
400
This class of mollusks are masters of camouflage.
What are cephalopods?
400
True or False: A scallop is sessile.
FALSE: It can move by clapping its shell.
500
This is the part of the gastropod that contains all of the internal organs and guts.
What is the visceral mass?
500
These threads allow a mussel to attach to its substrate.
What are byssal threads?
500
A squid has ________ arms and ______ tentacles.
8 arms and 2 tentacles
500
This mollusk species can successfully kill a shark.
What is the Giant Pacific Octopus?
500
Which of the following is most closely related to the octopus? CLAM SPONGE LOBSTER
What is the CLAM?
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