Science 6 Test 4

Most crustaceans have ____ body regions.

• two

• three

• four

• six

When the head and thorax are joined together, the body region is called the _______.

• body

• abdomen

• cephalothorax

• arthropod

Many crustaceans have ____ legs.

• four

• six

• eight

• ten

Most crustaceans breathe with _____.

• gills

• book lungs

• lungs

• antennae

A centipede has ____ pair(s) of legs on most body segments.

• one

• two

• three

• four

The pair of legs closest to the centipede's ______ is always poisonous.

• tail

• mouth

• thorax

• abdomen

Tags

NGSS.MS-LS4-2

By releasing poison through the stink glands along the sides of its body near its many legs, the _____ defends itself.

• centipede

• scorpion

• skunk

• millipede

Worms are not arthropods because they do not have a(n) ______, a protective outer covering.

• thorax

• exoskeleton

• setae

• barnacle

Tags

NGSS.MS-LS4-2

Earthworms enrich the soil with their ______.

• castings

• offspring

• oxygen

• carbon dioxide

The stiff bristles on the body of the earthworm are called ______.

• antennae

• segments

• carapace

• setae