Across
- 6. These animals have stinging cells used to capture food and have radial symmetry.
- 9. Octopuses and squids being in this group.
- 11. The largest class of arthropods.
- 12. Snails and slugs belong in this group.
- 15. A support structure on the outside of an animal's body.
- 16. Animals that have spiny skin, live in the world's oceans, and most have radial symmetry.
- 17. An example of this are legs and antennae.
Down
- 1. Animals that have two-piece, hinged shells belong in this group.
- 2. Animals with no symmetry, no cephalization, and no gut.
- 3. Long, soft-bodied animals with bilateral symmetry.
- 4. This animal phylum has the most species of any animal phylum.
- 5. Animals in this arthropod group have more than six legs.
- 7. Stinging cells of a particular group of animals that are used to capture food.
- 8. Animals in this group have two body segments and eight legs.
- 10. "Pore-bearer."
- 13. An animal that does not have a backbone.
- 14. These animals have three major groups and this particular phylum group is said to have the most intelligent invertebrate of all invertebrate animals.
