Mollusca and Annelid Review

Front

Which phylum do earthworms belong to?

Back

Annelida

Front

How does a clam move?

Back

Using the foot

Front

What is the protective shell of a mollusk?

Back

The protective shell is secreted by the mantle.

Front

What is the visceral mass?

Back

The visceral mass is where the internal organs are found.

Front

Which class of mollusks do snails and slugs belong to?

Back

Gastropoda

Front

What is the main function of the mantle in mollusks?

Back

The mantle secretes the shell and helps in respiration.

Front

What are the three main classes of mollusks?

Back

Gastropoda, Bivalvia, Cephalopoda.

Front

What is the function of the radula in mollusks?

Back

The radula is used for feeding, scraping food.

Front

How do bivalves feed?

Back

Bivalves filter feed by siphoning water through their gills.

Front

What is the difference between open and closed circulatory systems?

Back

Open systems have blood that is not always contained in vessels; closed systems have blood contained within vessels.