Across
- 1. to enable echinoderms to move and get food
- 5. most echinoderms reproduce
- 6. burrow into rocky areas
- 8. small muscular tubes
- 9. aid in catching food
- 10. consists of calcium carbonate
Down
- 2. filter organic particles
- 3. grows lost body parts
- 4. excretion occurs by
- 7. most brittle stars have five