Mollusks
Cephalopods
Kill or be Killed
They like to Move IT MOVE IT
100

A group of mollusks whose name means stomach foot. Give two examples.

Gastropod.

100

A group of mollusks whose name means head foot.

Cephalopod

100

A jagged organ with many denticles that a mollusk uses to get food.  Also called a "razor drill."

Radula

100

The fastest moving bivalve.

Scallop

200

A group of mollusks with two shell halves.  Give two examples.

Bivalve

200

The most dangerous 8-armed cephalopod.

Blue Ringed Octopus

200

What type of animal makes the circular hole on many bivalves we find at the beach?

Whelk or Sea Snail

200

A bivalve that rarely moves.

Oyster

300

A type of gastropod with no shell that comes in a variety of colors and some are even bioluminescent.  Their name means "naked gills."

Nudibranch

300

Which 2 cephalopods have 10 arms (8 regular plus 2 tentacles)?

Squid and Cuttlefish

300
A venomous fish-eating mollusk that lives off the coast of Australia and can kill a man quickly.

Cone Shell

300

This type of cephalopod will swim in the open ocean.

Squid

400

An organ inside a mollusks' body that changes calcium and other minerals into a shell.

Mantle

400
The internal shell of a cuttlefish.

The Cuttlebone

400

Name 3 defenses of the cephalopods.

1.  Camouflage

2.  Ink

3.  Jet Propulsion

4.  Excellent eyesight

400

Describe how a nautilus moves.

It sucks in gas through a tube and waters enters the chambers, making the nautilus heavier so it sinks.  It forces gas out of the tube and water out out of the shell, making the nautilus lighter so it rises.

500

A name often used for mollusks and crustaceans at restaurants.

Shellfish

500

A group of squids are called this.

A Shoal
500

What is the name of the color changing cells in a cephalopods skin that allow for excellent camouflage?

Chromatophores

500

The name of the tube that cephalopods use to push water out of their bodies.

Hyponome