Chapter 17:
Animal Adaptations
Practice Test
1.
What is an animal that produces both sperm and eggs in one individual?
a.
a cnidocyte
b.
a hermaphrodite
c.
a medusa
d.
a polyp
Hint
2.
What are animals with backbones?
a.
invertebrates
b.
protists
c.
vertebrates
d.
monerans
Hint
3.
Cnidarians have two body shapes. One shape is the polyp. What is the other shape?
a.
mesoderm
b.
spicule
c.
cnidocyte
d.
medusa
Hint
4.
Chordates all have a dorsal nerve cord, gill slits, and a(n) _________ at some life stage.
a.
notochord
b.
shell
c.
ectoskeleton
d.
radula
Hint
5.
Sea stars and sea cucumbers are _____________ , or spiny-skinned animals.
a.
echinoderms
b.
cnidarians
c.
segmented worms
d.
mollusks
Hint
6.
What are animals without backbones?
a.
protists
b.
monerans
c.
invertebrates
d.
vertebrates
Hint
7.
Earthworms have many organ systems and a true coelom. How do earthworms exchange gases?
a.
through their mouths
b.
through their skin
c.
through their gills
d.
through their lungs
Hint
8.
What are bony or cartilaginous segments that make up the backbone in vertebrates?
a.
teeth
b.
vertebrae
c.
coelom
d.
spicules
Hint
9.
Of these, which is NOT a vertebrate?
a.
rattlesnake
b.
beaver
c.
bald eagle
d.
sea star
Hint
10.
Jellyfish, corals, and sea anemones are members of the phylum ____________ .
a.
Mollusca
b.
Arthropoda
c.
Porifera
d.
Cnidaria
Hint
