The two shells of a bivalve are hinged together at one end are kept closed by this.
What are the abductor muscles?
100
Another word for "one shell".
What is univalve?
100
I use this to match my surroundings.
What is camouflage?
100
I'm a mollusk with no eyes or tentacles on my head. I also have many plates.
What is a chiton?
100
I'm a mollusk with a tapering shell and I burrow in the sand under the sea. I also have tusk shells.
What is scaphopods?
200
I'm the oldest living clam specimen from the tropical waters of the South Pacific.
What is the giant clam (Tridacna gigas)?
200
This typical of all gastropods and is used to scrape off and ingest the algae.
What is the radula?
200
These special pigmented cells in the skin help us match the environment's background.
What is chromatopheres?
200
Chitons also feed like another gastropod by scraping algae off the rocks with its radula.
What is the snail?
200
We used the tusk shells of scaphopods to make necklaces ad valued them as a form of currency known as Wapum.
What is Native Americans?
300
I allow bivalves to breathe underwater.
What is the gill membranes?
300
The moon snail, cone snail and whelk snail actively hunt and kill their food. They are considered...
What are predatory snails?
300
Cephalopoda also means
What is "head - foot".
300
Chitons also also assigned to the polyplacophora which means....
What is many plates?
300
We have numerous long, thin tentacles with sticky ends; used to catch tiny worms and planktons.
What is tusk shells?
400
Another word for bivalve
What is pelecypods?
400
I'm the biggest flat shelled gastropod and live in the rocky Pacific Coast.
What is the abalone (Haliotis)?
400
We're considered elusive cephalopods and inhabit the deep waters of the South Pacific Ocean. I also have a spiral shaped shell that divided into compartments.
What are chambered nautilus?
400
This structure covers the muscular foot that is used to grasp and glide over the surfaces of rocky substrates.
What is the shell?
400
BONUS POINTS: Natural predator of giant squid
What is sperm whale?
500
I'm tough fibrous protein that attach mussel to rocks and other hard substrates.
What is byssal threads?
500
I'm called a nudibranch.
What is the sea slug?
500
I'm the largest of the swimming mollusks and also the largest invertebrate.
What is he giant squid?
500
Bonus Points: I'm considered the most intelligent invertebrate.
What is the octopus?
500
I'm also a bottom-dwelling cephalopod that feeds on invertebrates in the sand.