Across
- 4. lining membrane of the alimentary tract of an invertebrate
- 8. a gelatinous substance between the endoderm and ectoderm of sponges or cnidarians.
- 11. a specialized cell in the tentacles of a jellyfish or other coelenterate, containing a barbed or venomous coiled thread that can be projected in self-defense or to capture prey.
- 12. free-swimming or crawling larval type common
Down
- 1. the fixed polyp-like stage in the life cycle of a jellyfish, which reproduces asexually by budding
- 2. cavity- the primary organ of digestion and circulation in two major animal phyla
- 3. one of two principal body types occurring in members of the invertebrate animal phylum Cnidaria
- 5. skeleton- the most prevalent skeletal system used by animals for movement and support.
- 6. Cnidocytes are specialized cells that define the phylum Cnidaria.
- 7. an extra piece of tissue that grows inside your body.
- 9. a larval jellyfish, after it has separated from the scyphistoma.
- 10. Cnidaria is a phylum under kingdom Animalia containing over 11,000 species of aquatic animals found both in freshwater and marine environments, predominantly the latter.