Chapter 17:
Animal Adaptations
Practice Test
1.
The phyla earthworms and grasshoppers belong to share one feature that shows they have a close evolutionary relationship. What feature best illustrates this relationship?
a.
shells
b.
jointed appendages
c.
exoskeletons
d.
segmented bodies
Hint
2.
What are animals with backbones?
a.
invertebrates
b.
protists
c.
monerans
d.
vertebrates
Hint
3.
Sea stars and sea cucumbers are _____________ , or spiny-skinned animals.
a.
cnidarians
b.
mollusks
c.
segmented worms
d.
echinoderms
Hint
4.
A sponge is made up of two layers of cells and a(n) ____________ .
a.
anus
b.
mouth
c.
central cavity
d.
stomach
Hint
5.
Jellyfish, corals, and sea anemones are members of the phylum ____________ .
a.
Arthropoda
b.
Cnidaria
c.
Mollusca
d.
Porifera
Hint
6.
What is a structure that grows out of the body of an animal?
a.
a mantle
b.
an appendage
c.
a coelom
d.
a segment
Hint
7.
What are the simplest animals with a one-way digestive system that includes a mouth, gut, and anus?
a.
roundworms
b.
segmented worms
c.
mollusks
d.
flatworms
Hint
8.
Earthworms have many organ systems and a true coelom. How do earthworms exchange gases?
a.
through their mouths
b.
through their lungs
c.
through their skin
d.
through their gills
Hint
9.
In bilaterally symmetrical animals, what part of the body is the front end?
a.
anterior
b.
ventral
c.
dorsal
d.
posterior
Hint
10.
Which of these is part of the support structure of a sponge?
a.
flat cells
b.
pores
c.
spicules
d.
flagellated cells
Hint
