How do bivalves obtain food?
What is filter feeding?
Some have elaborate ones of these for protection
What is a shell?
The color of octopus blood
What is blue?
This word means "soft" in Latin
What is molluska?
Bivalves are dioecious. This means...
What is having two sexes
Undergo this in development to become asymmetrical
What is torsion?
cuttlefish and squid have this many appendages
What is 10?
Includes snails and slugs
What are gastropods?
The shells of bivalves are closed when the muscles are...
What is flexed?
Ecosystems where these can be found
What is marine, land and freshwater?
Squid move through the water by...
What is jet propulsion?
The three main parts of a mollusk
What is the muscular foot, visceral mass and mantle?
The inner coating of shells and makes up pearls
What is nacre?
The door like structure that prevents water loss and helps it to hide from predators
What is the operculum?
Thought to be a remnant of a shell within the mantle of a squid
What is the pen?
Includes oysters, mussels and scallops
What are bivalves?
The way these creatures move on the ocean floor
What is the muscular foot?
The sharp tongue that allows them to scrape algae off of rocks to eat
What is a radula?
Specialized cells that change color to camouflage members of this group
What is a chromatophore?
Includes octopi, squid and cuttlefish
What are cephalopods?