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ZO.3.6. - Phylum Mollusca

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.

Mollusca means ...

a)

soft bodied

b)

head foot

c)

stomach foot

d)

little rings

2.

Which of the following is NOT a major characteristic shared by ALL molluscks?

a)

visceral mass

b)

mantle

c)

shell

d)

foot

3.

What is a trochophore?

a)

a larval mollusk

b)

a specialized shell

c)

a modified digging foot

d)

a type of radula

4.

What makes a Mollusks shell?

a)

visceral mass

b)

mantle

c)

radula

d)

foot

5.

Which organism exhibits torsion?

a)

slug

b)

octopus

c)

chambered nautalis

d)

clam

6.

Which of the following is a bivalve?

a)

mimic octopus

b)

cone snail

c)

pearl oyster

d)

yellow planarian

7.

Which of the following is a gastropod?

a)

mimic octopus

b)

cone snail

c)

pearl oyster

d)

yellow planarian

8.

Which of the following is a cephalopod?

a)

mimic octopus

b)

cone snail

c)

pearl oyster

d)

yellow planarian

9.

Which of the following BEST describes a bivalve?

a)

cephalized

b)

no shell

c)

single shelled

d)

no clear head

10.

Which of the following BEST describes a gastropod?

a)

tentacles used for movement

b)

twisted visceral mass

c)

multi-shelled

d)

suspension feeders

11.

Which of the following BEST describes a cephalopod?

a)

large external shell

b)

single foot

c)

beaked mouth

d)

feed on algae

12.

How are Mollusks similar to Annelids? (select all that apply)

a)

Bilaterally symmetrical

b)

True Coelomate

c)

Segmented

d)

Calcium Carbonate Shells