Across
- 5. sharp rigid structures used to support
- 7. which body type can't move
- 8. what surrounds and covers the mouth
- 9. a 32 or more cells with no cavity in the center
- 11. organizing living things into categories based on characteristics
- 13. the creation of egg and sperm cell
- 14. cells that move and transport nutrients
- 15. outside protective cells
Down
- 1. which body type can move
- 2. arrangement of body parts to create mirror images
- 3. what kind of symmetry does cnidarians have
- 4. cell that has a nucleus and other organelles
- 6. two body types
- 9. can move to find food
- 10. small openings to let material in
- 12. cells that filler nutrients using mucus