| A | B |
|---|
| Filter Feeding | Feeding method of a sponge. |
| Porifera | Phylum of sponges. |
| Osculum | Water and waste are expelled through this opening. |
| Collar Cells | draw water through the pores of the sponge. |
| Spicules | The "skeleton" of a sponge. |
| Radial | Symmetry of Cnidarians. |
| Cnidarians | Jellyfish are in this phylum. |
| Medusa | Free swimming cnidarian. |
| Polyp | Sessile form of cnidarians. |
| Nematocyst | Stinging cells of cnidarins. |
| Budding | Asexual reproduction in polyps. |
| Platyhelminthes | Flatworm phylum. |
| Platyhelminthes and Nematodes | Phyla that have bilateral symmetry. |
| Scolex | Head of a tapeworm. |
| Proglottid | Repeating sections of a tapeworm. |
| Nematoda | Hookworms and pinworms are in this phylum. |
| Pore Cells | Bring water carrying food and oxygen into the sponge's body. |
