Squid Dissection

Squids are examples of

• vertebrates (animals with a backbone).

• invertebrates (animals without a backbone).

Other organisms that are in the same Phylum Mollusca as squid are (choose all that apply)

• Roaches

• Clams

• Snails

• Oysters

Squid belong to the Class ________ along with the octopus and chambered nautilus.

• Cephalopoda

• Crustacea

• Insecta

• Vertebrata

What is the soft body that covers the body of a mollusk called?

• foot

• mantle

• siphon

• ink sac

How many arms and tentacles does the squid have?

• 8 arms, 2 tentacles

• 10 arms, 2 tentacles

• 2 arms, 8 tentacles

• 5 arms and 5 tentacles

What do squids use to breathe?

• lungs

• gills

• air sacs

• three-chambered heart

What structure do squids have to help them crush their food before it travels through the esophagus to the stomach?

• teeth

• fangs

• beak

• scraping tongue

In order to see the internal anatomy, you will carefully cut the _____ with dissecting scissors and pin it open like this.

• tentacle

• mantle

• siphon

• beak

Tags

NGSS.MS-LS4-2

The internal shell of the squid is called the

• pen.

• pencil.

• bivalve.

• siphon.

Label the Squid

a

b

c

d

e

f

g

Eye

Mouth

Tentacle

Fin

Arm

Water jet

Mantle