Science Test (4th) 5.7-5.12

The shedding of an exoskeleton is called _____.

• setae

• molting

• segment

Antennae are sense organs some invertebrates use to respond to their environment.

• true

• false

An insect has ____ jointed legs.

• two

• three

• six

• eight

An insect has ___ body parts.

• two

• three

• six

An octopus has ____ tentacles.

• six

• eight

• ten

An octopus has ___ hearts.

• one

• three

• two

animals without backbone

• vertebrates

• invertebrates

Earthworms are valuable decomposers.

• True

• False

what an octopus can secrete in its saliva to paralyze its prey

• venom

• jet propulsion

• setae

a small, soft, segmented invertebrate equipped with setae

• squid

• slug

• earthworm