Ch. 29 Snow Day

What does the term mollusca mean in Latin?

• Soft-bodied

• Hard-bodied

• Foot

• Slimy

• Seafloor

This file-like ribbon of "teeth" is used by molluscs to scrape algae and other food off of rocks and can even drill through the shells of prey.

• Calcium Carbonate

• Radula

• Foot

• Mantle

• Ctenidia

The shell of a mollusc is made out of what compound?

• Calcium Carbonate

• Calcium Phosphate

• Calcium

• Iron Phosphate

• Strontium Chloride

This is the outer fold of skin on molluscs, and is responsible for excreting the substance that forms the mollusc's shell.

• Radula

• Mantle

• Foot

• Ctenidia

• Cockle

This appendage of the mollusc is used for movement and grasping.

• Foot

• Mantle

• Radula

• Ctenidia

• Limpet

These molluscs are laterally compressed, have a hinged shell, and live on the ocean floor.

• Bivalves

• Gastropods

• Cephalopods

• Mollusca

• Limpets

These molluscs have a head and a modified foot that are now arms or tentacles.

• Cephalopods

• Nudibranches

• Gastropods

• Bivalves

• Ctenidia

Squids and other cephalopods can reach up to 20 mph due to what feature?

• Jet Propulsion

• Quick Buoyancy

• Chromatophores

• Ctenidia

• Olfaction

Cephalopods use these colored pigment cells that can contract and expand in order to produce colors, textures and patterns.

• Chromatophores

• Ctenidia

• Olfactory Receptors

• Radulations

• Mantle Pores

The Latin term for stomach-foot is ____.

• Mollusca

• Gastropod

• Cephalopod

• Gustoflagella

• Limpepodia