Title: An animal without a backbone is an
1An animal without a backbone is a(n)
- a. chordate.
- b. vertebrate.
- c. spina corda.
- d. invertebrate.
2An animal with a backbone is called a(n)
- a. invertebrate.
- b. vertebrate.
- c. spina corda.
- d. cephalopod.
3An animal with body parts that extend outward
from a central point has
- a. radial symmetry.
- b. bilateral symmetry
- c. asymmetry.
- d. spherical symmetry.
4An animal with only two sides, which are mirror
images of each other has
- a. asymmetry.
- b. bilateral symmetry.
- c. radial symmetry.
- d. no symmetry.
5All of the following are characteristics of an
animal EXCEPT
- a. eats food.
- b. moves in some way.
- c. grows and changes.
- d. has chlorophyll.
6Animals get energy from
- a. exercising.
- b. water.
- c. food.
- d. oxygen.
7A hard covering that protects an invertebrates
body is a(n)
- a. endoskeleton.
- b. armor.
- c. shell.
- d. exoskeleton.
8The class of arthropods that includes crabs,
lobsters, and shrimp is the
- a. exoskeletons.
- b. crustaceans.
- c. arachnids.
- d. insects.
9The arthropod class which includes bees, ants,
and mosquitoes is the
- a. crustaceans.
- b. arachnids.
- c. bugs.
- d. insects.
10The simplest worms, with flat, ribbon-like
bodies, are called
- a. earthworms.
- b. tapeworms.
- c. flatworms.
- d. segmented worms.
11More complex worms, with bodies divided into
sections, are called
- a. segmented worms.
- b. tapeworms.
- c. round worms.
- d. grubs.
12Animals with one shell, two shells, or an inner
shell belong to the
- a. mollusk phylum.
- b. clam phylum.
- c. echinoderm phylum.
- d. cnidarian phylum.
13Animals such as hydra and jellyfish, belong to
the
- a. crustacean phylum.
- b. cnidarian phylum.
- c. echinoderm phylum.
- d. sponge phylum.
14An example of an echinoderm would be a
- a. jellyfish.
- b. clam.
- c. grasshopper.
- d. sea star.
15An 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.