| A | B |
|---|
| Which phylum are mollusks in? | Mollusca |
| Which kingdom are mollusks in? | Animalia |
| Which animals are in the Mollusca phylum? | soft-bodied invertebrates that usually have a shell |
| What is a mantle? | a thin membrane that secretes the shell for many mollusks |
| What are the three body parts of a mollusk? | head, foot, and viceral mass |
| What is the viceral mass? | The space in which the body parts are located |
| What is in a mollusk's head? | the brain and sensory organs |
| What is a radula? | a rough, tongue-like organ used to scrape algae off of rocks found in some mollusks such as a snail |
| What is a gastropod? | a mollusk with one shell |
| What does gastropod mean? | stomach foot |
| Which mollusks are gastropods? | conchs, slugs, and snails |
| What are univalves? | gastropods that have only one shell |
| What are bivalves? | mollusks that have a hinged shell in two parts |
| Which mollusks are bivalves? | scallops, oysters, and clams |
| What do bivalves use to open and close its shell? | muscles |
| How do bivalves get their food? | filter-feed organic particles through their gills? |
| How do pearls start? | a grain of sand gets caught in a molllusk's mantle. |
| What is a pearl's coating made from? | The irritant is coated with the same material used to produce the lining of its shell. |
| What does "cephalopod" mean? | head-footed |
| What is connected to a cephalopod's head? | It's feet (or arms) |
| Which group of mollusks usually don't have an external shell? | cephalopods |
| What do cephalopods use to bite into prey? | a beak |
| How many arms does an octopus have? | 8 |
| How many arms does a squid have? | 10 |
