Select all of the following that are classes of mollusks.Multiple select question.bivalveschitonscrustaceansgastropodscephalopodspolychaetes

To identify the classes of mollusks from the given options, we need to evaluate each term based on its classification in the animal kingdom.

1. Bivalves: This class includes mollusks such as clams, oysters, and mussels. They have two shells (valves) and are indeed a class of mollusks.

2. Chitons: Chitons are also a class of mollusks known for their eight overlapping shell plates.

3. Crustaceans: This is not a class of mollusks; instead, crustaceans belong to the class of arthropods, which includes crabs, lobsters, and shrimp.

4. Gastropods: This is a major class of mollusks that includes snails and slugs.

5. Cephalopods: This class consists of highly intelligent mollusks like octopuses, squids, and cuttlefish.

6. Polychaetes: This term refers to a class of annelid worms, not mollusks.

Final Answer

The classes of mollusks from the options provided are:

• Bivalves
• Chitons
• Gastropods
• Cephalopods