Mollusks Review 2021

Front

What are the two smaller hearts associated with each cephalopod gill that pump blood across the gills?

Back

branchial hearts

Front

What type of learners are animals that learn by observing other animals and repeat behaviors that are rewarded?

Back

observational learners

Front

What is the structure labeled G in a cephalopod anatomy diagram?

Back

ink sac

Front

What are the possible functions of a mollusk's tentacles?

Back

All choices are correct.

Front

What mineral is used to make a mollusk's shell?

Back

calcium carbonate

Front

What is the primary function of the ink sac in cephalopods?

Back

To release ink as a defense mechanism.

Front

What are the main classes of mollusks?

Back

Gastropoda, Bivalvia, Cephalopoda, Polyplacophora, Scaphopoda.

Front

How do mollusks typically reproduce?

Back

Most mollusks reproduce sexually, with some being hermaphroditic.

Front

What is the role of the mantle in mollusks?

Back

The mantle secretes the shell and is involved in respiration.

Front

What is the significance of calcium carbonate in mollusk biology?

Back

It is the primary component of their shells, providing protection.