Mollusks and Annelids

Front

What type of environment do MOST mollusks live in?

Back

Marine

Front

Which class of Mollusks includes snails, slugs, or nudibranches?

Back

Gastropods

Front

What is the name of the soft and muscular cavity which sits behind the head and encloses all of the body organs such as heart, stomach and gills?

Back

Mantle

Front

Which organ is used by Mollusks and Annelids for excretion?

Back

Nephridia

Front

What term refers to the head or front of an organism?

Back

Anterior

Front

What is the primary function of the mantle in mollusks?

Back

The mantle secretes the shell and covers the internal organs.

Front

What are the three main classes of Mollusks?

Back

Gastropods, Bivalves, Cephalopods.

Front

What is the main difference between bivalves and gastropods?

Back

Bivalves have two shells, while gastropods have a single shell or no shell.

Front

What is the role of gills in mollusks?

Back

Gills are used for respiration and sometimes for feeding.

Front

What is the visceral mass in mollusks?

Back

The visceral mass contains the internal organs of the mollusk.