Phylum Mollusca Assessment

Front

A thin tissue layer that surrounds most organs is the ________________.

Back

Mantle

Front

A ________________ is a free-swimming larvae.

Back

Trocophore

Front

The feature of the Mollusc that helps propel and moves them is the ________________.

Back

Foot

Front

A ________________ is a planktonic larva with a tiny shell.

Back

Veliger

Front

Clusters of nerve cells are called ________________.

Back

Ganglia

Front

______________ are rows of teeth used in feeding.

Back

Radula

Front

Cephalopods have a ________________ circulatory system.

Back

Closed

Front

True or false: Molluscs have a separate mouth and anus.

Back

True

Front

True or false: All Molluscs have a brain.

Back

False

Front

Cephalopods fertilize ___________________.

Back

Internally