Crustaceans are animals that have a hard outer shell or exoskeleton. They are invertebrates that belong to the Arthropod family which are distinguished by their jointed bodies and limbs. The name "Crustacean" comes frome the Latin word meaning "crust" or "shell". Like other Arthropods such as insects and spiders, crustaceans have divided bodies. Each section of the body is usually equipped with a pair of jointed limbs. The limbs may be used for walking, swimming, or crawling. Their eyes often on the end of stalks. Some Crustaceans are shrimp, lobsters, crabs, and crayfish.

1. Crustaceans have ____ .

backbones
legs
hair
no joints

2. The name "Crustacean" in Latin means ____ .

slow mover
crushed skin
stalk eyes
crust or shell

3. A shrimp is ____ .

an invertebrate
a vertebrate
a spider
warm blooded

4. Some crustaceans ____ .

fly
climb trees
swim
are amphibians

5. A crustacean's body has ____ .

sections
strong muscles
suction cups
soft shells

6. Crustaceans often have eyes on ____ .

their feet
the surface of the water
stalks
their abdomen

7. A crustaceans limbs are ____ .

crooked
strong
twice the size of its body
jointed

8. A good example of a crustacean is ____ .

a newt
a lobster
a sea anemone
a sea horse

9. A crustacean's skeleton is ____ its body.

larger than
inside of
outside of
heavier than

10. A crustacean is ____ .

a vertebrate
an arthropod
a mammal
an insect

Your score is out of 10.