Across
- 4. shape of an animal in the ocean`
- 5. symmetry animal with a ball shape
- 6. bottom surface of an animal
- 8. marine algae drifters
- 10. food breaking down outside of cells
- 12. feeding filtering organisms to eat through water
- 14. sharp structural element found in sponges
- 15. top surface of an animal
- 16. front of an animal
Down
- 1. a way to classify an animals shape
- 2. animal with no back bone
- 3. simple multicellular animal that collects water
- 7. soft bodied stinging animal
- 9. symmetry a way to classify butterfly shape
- 11. stinging cell in jellyfish tentacle
- 13. rear end of an animal