1. What does the word "echinoderm" mean? no skin smooth skin spiny skin grooved skin

2. What is the name for the dead 'shell' of a sand dollar when you find it washed up on the beach? skeleton shell test bones

3. Is the starfish a true fish? Yes No

4. If you catch a starfish and cut its legs off, then throw the center piece back into the water, what will happen to the center piece? Die Come back together Wash up on the beach Grow into a new starfish

5. About how many species are in the phylum Echinodermata? about 6000 about 3000 about 2000 about 5000

6. Where can you find most of the animals in the phylum Echinodermata? Fresh water Sea Land All of the above

7. Which class contains the brittle stars and the basket stars? Asteroidea Holothuroidea Echinoidea Ophiuroidea

8. The brittle star does not have a brain. True False

9. Which animal is not in the phylum Echinodermata? sea anemone sea urchin starfish basketstar

10. Most of the creatures in the phylum Echinodermata have a _____ part radial symmetry. five ten six three