28. Associate the following with their phyla: collar cells, madroporite, flame cells, cnidocytes, poda, medusae, porocyte, amebocyte and a choanocyte.
| Collar Cells | Porifera |
| Madroporite | Echinodermata |
| Flame Cells | Cnidera |
| Cnidocytes (stinging cells) | Cnidera |
| Poda | Echinodersm |
| Medusae | Cnidera |
| Porocyte | Porifera |
| Amoebocyte | Porifera |
| Choanocyte | Porifera |