An animal without a backbone is an

1
An animal without a backbone is a(n)

• a. chordate.
• b. vertebrate.
• c. spina corda.
• d. invertebrate.

2
An animal with a backbone is called a(n)

• a. invertebrate.
• b. vertebrate.
• c. spina corda.
• d. cephalopod.

3
An animal with body parts that extend outward
from a central point has

• a. radial symmetry.
• b. bilateral symmetry
• c. asymmetry.
• d. spherical symmetry.

4
An animal with only two sides, which are mirror
images of each other has

• a. asymmetry.
• b. bilateral symmetry.
• c. radial symmetry.
• d. no symmetry.

5
All of the following are characteristics of an
animal EXCEPT

• a. eats food.
• b. moves in some way.
• c. grows and changes.
• d. has chlorophyll.

6
Animals get energy from

• a. exercising.
• b. water.
• c. food.
• d. oxygen.

7
A hard covering that protects an invertebrates
body is a(n)

• a. endoskeleton.
• b. armor.
• c. shell.
• d. exoskeleton.

8
The class of arthropods that includes crabs,
lobsters, and shrimp is the

• a. exoskeletons.
• b. crustaceans.
• c. arachnids.
• d. insects.

9
The arthropod class which includes bees, ants,
and mosquitoes is the

• a. crustaceans.
• b. arachnids.
• c. bugs.
• d. insects.

10
The simplest worms, with flat, ribbon-like
bodies, are called

• a. earthworms.
• b. tapeworms.
• c. flatworms.
• d. segmented worms.

11
More complex worms, with bodies divided into
sections, are called

• a. segmented worms.
• b. tapeworms.
• c. round worms.
• d. grubs.

12
Animals with one shell, two shells, or an inner
shell belong to the

• a. mollusk phylum.
• b. clam phylum.
• c. echinoderm phylum.
• d. cnidarian phylum.

13
Animals such as hydra and jellyfish, belong to
the

• a. crustacean phylum.
• b. cnidarian phylum.
• c. echinoderm phylum.
• d. sponge phylum.

14
An example of an echinoderm would be a

• a. jellyfish.
• b. clam.
• c. grasshopper.
• d. sea star.

15
An animal with jointed legs and a body that is
divided into sections belongs to the

• a. arthropod phylum.
• b. crustacean phylum.
• c. insect phylum.
• d. arachnid phylum.