Simple Animals
Practice Test
1.
What type of organ carries food and oxygen to the body cells in an earthworm?
a.
brain
b.
nerve cord
c.
blood vessel
d.
intestine
Hint
2.
What are the armlike structures surrounding the mouth of many stinging-cell animals?
a.
pseudopods
b.
tentacles
c.
segments
d.
cilia
Hint
3.
Jellyfish, hydra, corals, sea fans, and sea anemones belong to what phylum of animals?
a.
stinging-cell animals
b.
sponges
c.
spiny-skin animals
d.
soft-bodied animals
Hint
4.
A ______ is a common freshwater flatworm that is not parasitic.
a.
planarian
b.
hookworm
c.
tapeworm
d.
earthworm
Hint
5.
What is a trait common to all animals?
a.
They are one-celled organisms.
b.
They are multicellular.
c.
Their cells do not contain nuclei.
d.
Their cells have cell walls
Hint
6.
How do sponges reproduce?
a.
by sexual reproduction only
b.
by asexual reproduction only
c.
by fission
d.
by sexual and/or asexual reproduction
Hint
7.
What do we call the stage in the life cycle of a tapeworm where young worms are protected inside a covering within the muscles of the host?
a.
cyst
b.
cell
c.
egg
d.
spore
Hint
8.
_______ is a flatworm with a flattened ribbonlike body divided into sections.
a.
hookworm
b.
planarian
c.
tapeworm
d.
earthworm
Hint
9.
Which are the most complex of all worms?
a.
segmented worms
b.
tapeworms
c.
flatworms
d.
roundworms
Hint
10.
How do earthworms eat?
a.
by taking in soil
b.
by trapping small organisms in the water
c.
by osmosis
d.
by sucking blood
Hint
