Phylum Mollusca Assessment

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

A ________________ is a free-swimming larvae.

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

A ________________ is a planktonic larva with a tiny shell.

Clusters of nerve cells are called ________________.

______________ are rows of teeth used in feeding.

Cephalopods have a ________________ circulatory system.

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

True or false: All Molluscs have a brain.

Cephalopods fertilize ___________________.