Across
- 1. A sea anemone is an example of a __ a non-swimming cnidarian.
- 8. The phyla of the roundworm.
- 9. Worms are the simplest organism with a __ (nerve center)
- 10. Cnidaria and porifera are both __ as they live in the water.
- 12. The opening at the top of a sponge.
- 13. The cnidarians are __ because they eat meat.
- 15. Most flatworms are a __ because they live inside another organism.
- 17. The phyla of the flatworm.
- 18. Super long flatworms that live in digestive tracks.
- 20. Sea sponges have __ meaning they can't be divided evenly.
- 21. A natural sea sponge is the __ of a porifera.
- 22. The worm on page 36 is named after __.
- 24. Cnidarians that live in large colonies making them look asymmetrical.
- 25. Cnidaria have __ symmetry.
- 26. Cnidaria __ their food before they eat it.
- 27. Cnidarians eat and excrete through the __ opening.
- 28. Porifera are __ feeders.
Down
- 2. The stage of a sponge that swims around.
- 3. A hole in a sponge.
- 4. A jellyfish is an example of a __ a free swimming cnidarian.
- 5. The color of the live sponges on page 28.
- 6. Porifera are commonly known as __.
- 7. The cell with the flagella in a sponge.
- 11. Cnidaria have different types of cells organized into ___.
- 14. The ability to regrow body parts.
- 15. Nonparasitic free swimming flatworms.
- 16. The dog on page 37 gets a tapeworm from eating a ___.
- 19. The phyla of the segmented worm.
- 23. Cnidaria and porifera are both a part of the __ kingdom.