Cnidarians and Molluscs

Cnidarians have what kind of symmetry?

• Radial
• Bilateral
• Asymmetrical

This form of cnidaria is known as a __________.

• medusa
• polyp

This form of cnidaria is known as a _______.

• polyp
• medusa

Nematocysts (stinging cells) are used for...

• Defense
• Catch organisms for food
• Both of these

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

Tags

NGSS.MS-LS4-2

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

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

• Calcium Carbonate

• Calcium Phosphate

• Calcium

• Iron Phosphate

• Strontium Chloride

Tags

NGSS.MS-PS1-1

The Latin term for stomach-foot is ____.

• Mollusca

• Gastropod

• Cephalopod

• Gustoflagella

• Limpepodia

Mollusks that have 2 shells are members of the class

• gastropods
• bivalves
• cephalopods

How do bivalves eat?

• Filter feeders

• Radula

• Tentacles