How many arms does an octopus have?
8
What do you call a snail that doesn't have a shell?
A Slug.
This sea animal lives in two shells and is famous for making pearls.
Oyster.
Most mollusks use this muscular "body part" to crawl or dig.
The foot.
Because they have no backbone, mollusks belong to this large group of animals.
Invertebrates.
What dark liquid do these animals squirt to distract predators?
Ink
Snails leave behind this sticky trail to help them move smoothly.
Slime (or Mucus).
Clams, oysters, and mussels are called this because they have "two shells."
Bivalves.
This hard structure protects the soft bodies of snails and clams.
A shell.
Most mollusks live in this type of habitat.
The Ocean (or Marine Environments).
This giant mollusk has eyes the size of beach balls
Giant Squid
A snail's eyes are usually located on these long, wiggly stalks.
Tentacles.
This type of bivalve can "swim" by quickly clapping its shells together.
Scallop.
This thin layer of tissue sits under the shell and actually creates it.
The Mantle.
The word "mollusk" comes from a Latin word that means this.
Soft.
Unlike humans, an octopus has this many hearts.
Three.
This is the French word for a cooked land snail, often served with garlic butter.
Escargot.
Bivalves don't have a head; they get food by straining it from the water, a process called this.
Filter feeding.
Instead of a tongue, many mollusks have this ribbon of tiny teeth.
A Radula.
This "shell-less" mollusk is known for its beautiful, bright colors in the ocean.
Sea Slug (or Nudibranch).
What color is an octopus's blood?
Blue.
True or False: Some snails can sleep for up to three years.
True.
The two shells of a bivalve are held together by this flexible part.
A Hinge.
This is the "beak-like" mouthpart found on octopuses and squids.
A Beak.
What kind of body symmetry do all mollusks have?
Bilateral symmetry (meaning both sides look the same).