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Worksheets

Mollusks and Squid

Total questions: 15

Worksheet time: 11mins

Name
Class
Date
1.
Mollusks can be aquatic or terrestrial. 
a)
True
b)
False
2.

The water jet used by some mollusks to move

a)

siphon

b)

radula

c)

head foot

d)

mantle

3.

The hard, rasping, tongue like organ found in most mollusks

a)

siphon

b)

radula

c)

head foot

d)

mantle

4.

The class of mollusks that are "stomach footed" are called

a)

scphopoda

b)

gastropoda

c)

bivalvia

d)

cephalopoda

5.

The organism shown in the picture is

a)

bivalve

b)

cephalopod

c)

chiton

d)

gastropod

6.

The vestigial shell of a squid is called the

a)

siphon

b)

ink sac

c)

pen

d)

mantle

7.

A squid has multiple _______, but only 2 ______.

a)

arms, tentacles

b)

tentacles, arms

8.

The class of head-footed mollusks is in the class

a)

scaphopoda

b)

cephalopoda

c)

bivalvia

d)

gastropoda

9.

The organism in the photo is a

a)

bivalve

b)

gastropod

c)

cephaopod

d)

chitin

10.

When all else fails, some mollusks use this to confuse their prey and escape

a)

siphon

b)

ink sac

c)

pen

d)

chitin

11.

A squid captures its prey first using its

a)

long suction cupped tentacles

b)

suction cupped arms

c)

beak

d)

Ink trail

12.

Squids move by

a)

walking/creeping on their tentacles

b)

shortening and lengthening their tentacles

c)

jet populsion

d)

fins

13.

Squid eat by

a)

grabbing onto its prey with suction cups

b)

ripping them apart with their beaks

c)

grinding flesh with their radula

d)

all of the above

14.

There are 14 classes of mollusks

a)

True

b)

False

15.

Chromatophores are cells that cannot change color

a)

True

b)

False