Fill in the Blank
Respiratory and digestive wastes exit from a clam's _____________.
Excurrent siphon
In bivalves, part of the siphon through which water that contains food and oxygen enters.
Incurrent Siphon
Of the following mollusks, which is least related to the others?
A. snail B. scallop C. mussel D. clam
A. snail
A filter feeding mollusk is the...
mussel
All of the following are gastropods except the
A. slipper shell B. limpet C. scallop D. moon snail
C. scallop
Oxygen and food are taken in through a clam's __________________.
Incurrent siphon
Short, tough muscles that hinge together a bivalve's shell
adductor muscle
A snail closes its shellel opening with a pad of tissue called the
A. shell B. foot C. operculum D. mantle
C. operculum
All of the following are cephalopods except
A. octopus B. chiton C. squid D. nautilus
B. Chiton
The class of mollusks that contains many species without shells is...
cephalopods
Gastropods use a toothed structure called a ______________ to feed.
Radula
Gastropod that lacks or has reduced shell; also called a sea slug.
Nudibranch
An example of a univalve mollusk is....
a snail
All of the following live mostly in or on a substrate except the...
cephalopod
What characteristics do an octopus and a scallop have in common?
Both are soft bodied animals
A membrane called the __________ lines the inside of bivalve shells.
Mantle
Swimming, ciliated larva of a snail; Part of the plankton community.
Veliger
Which of the following is a bivalve mollusk?
A. oyster B. snail C. whelk D. nautilus
A. oyster
A snail would be classified as
A. univalve B. bivalve C. pelecypod D. cephalopod
A. univalve
Did you hear about the guy who fell into the endangered mollusk tank at the Florida Aquarium?
The aquarium yelled, "I'll be right there to help, don't move a muscle!"
A muscle secretes ___________ to attach its shell to a substrate.
Byssal threads
In bivalves, part of the siphon through which waste products exit.
Excurrent siphon
The structure in a clam that secretes the shell is the...
mantle
What are the functions of the structures on top of a snail's head?
vision
“You’re my one in a krillion!”