Practice Test for Invertebrates

1. Arthropods have an outer support structure called an exoskeleton. - T

2. Echinoderms make up a phylum of soft bodied animals with a muscular foot. - F

3. Crabs and lobsters belong to the arthropod class called the crustaceans. - T

4. The body region between the head and the abdomen of an arthropod is called the thorax. -T

5. Insects undergo metamorphosis to become juveniles. F

6. The body region of an insect farthest from the head is called the abdomen. - T

7. Mollusks make up phylum of invertebrates with jointed legs. F

8. Snails are mollusks with two hinged shells. - F

9. Invertebrates with an endoskeleton and radial symmetry are called arthropods. F

10. Squid belong to a group called the mollusks. F

11. Some invertebrates have backbones F

12. All invertebrates are wingless. F

13. Sponges live in both salt and fresh water. T