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Cool Terms
Sweet Terms
Classes
Cephalopods
Misc.
100
The fold of skin that develops from the dorsal body wall, surrounds the internal organs, and secretes the shell (if present).....
What is the Mantle.
100

This problem is caused when a snail's waste is washed back into its gills:

What is fouling

100
The class to which snails and slugs belong.
What is gastropoda.
100
The structures in the nervous system of cephalopods which are significantly more advanced than any other class of mollusks.
What is the eye and brain.
100
The characteristic which would allow you to distinguish the nautilus from other cephalopods.
What is a complete external shell.
200
The tongue-like, rasping organ in the head of Mollusks and is used for scraping food off surfaces.
What is the radula.
200
A twisting function that allows gastropods to be able to retract the head into the shell first.
What is torsion.
200
What cephalopoda stands for.
What is "head foot".
200
The structure found within a squid's mouth which is used for grabbing and piercing prey, a jaw-like structure.
What is a beak.
200
The material which makes up most mollusk shells.
What is calcium carbonate.
300
The muscle that hold the two valves (shells) of a bivalve together are called_____________muscles.
What is adductor.
300
Means "stomach foot."
What is Gastropoda.
300
The class to which octopi, nautilus, cuttlefish, and squid belong.
What is cephalopoda.
300

The main use for chromatophores in cephalopods skin.

What is camouflage from predators (or to sneak up on prey) or visual communication with other cephalopods

300
In bivalves, the __________ siphon takes water in, and the ___________ siphon takes water out.
What is incurrent and excurrent ?
400
This is the type of circulatory system that gastropods and bivalves possess.
What is an open circulatory system.
400
The internal shell found in squid.
What is the pen.
400

The class that mussels, clams, oysters, and scallops belong to.

What is bivalvia.

400
The type of circulatory system you will find in cephalopods, but not in other mollusks.
What is a closed circulatory system.
400
Mollusks are the first animals to have these 2 organ systems:
What are respiratory and circulatory ?
500
The type of body cavity that all mollusks possess.
What is a true, yet reduced, coelom (eucoelom).
500
The modified foot region found in cephalopods.
What are tentacles or arms
500
Class in which you will find animals with an incurrent and excurrent opening used for filter feeding.
What is bivalvia.
500
The funnel-like structure found in cephalopods which is used for jet-propulsion.
What is the siphon.
500

If people eat snails, the dish is called __________; If people eat squid, the dish is called __________.

What is escargot and calamari ?

(of course, the most common mollusks people eat for seafood are the bivalves)