Polyplacophora
Spicule Worms
Gastropoda
Bivalvia
Cephalopoda
100

Common name

What are chitons?

100

The type of body of both classes

What is vermiform?

100

Common names of some gastropods

What are snails, slugs, nudibranchs, sea hares?

100

Common names

What are clams, mussels, oysters, scallops?
100

Common names

What are squid, cuttlefishes, octopuses, and nautiluses?

200

How many plates make up their shells?

What is eight?

200

Spicule worms have this instead of a shell

What is a chitinous cuticle?

200

In their shells, this is the large opening for the body

What is the aperture?

200

Side with the hinge

What is the dorsal side?

200

This part of the body is usually reduced or lost

What is the shell?

300

Method of locomotion

What are pedal waves along the muscular foot?

300

These spicule worms burrow

What are the caudofoveatans?

300

You come across a snail with a dextral shell. The shell is leaning to the ____

What is the left?

300

This part of the body is absent or reduced

What is the head?

300

Vascularized extension into the shell

What is the siphuncle?
400

Where the ctenidia are

What is the mantle cavity?

400

These spicule worms eat cnidarians and other invertebrates

What are the solenogastres?

400

Subclass of gastropods without torsion.

What are the patellogastropods/limpets?

400

In the autobranchs, the gills are modified to help with _____.

What is filter feeding?

400

Muscular foot is modified into the _____ and the _____.

What are the tentacles and the siphon?

500

Predator deterrence structures on the girdle

What are calcareous spicules?

500

These spicule worms are hermaphroditic

What are the solenogastres?

500

An organ that has been lost or reduced in the heterobranchia

What is the osphradium or ctenidia?

500

How water enters and exits the mantle cavity

What are intake and excurrent siphons?

500

This organ is well developed in cephalopods

What are eyes or what is a brain?