| A | B |
| Flagellum | Whiplike structure on some cells |
| Spongin | Rubbery, flexible material that makes up some kinds of spicules |
| Spicules | small, hard needle like structure of a sponge |
| poriferan | invertebrate animal with pores |
| amoebocytes | cells that carry food and oxygen to all cells of a sponge |
| pores | tiny openings |
| Jelly-like | between the cells of the sponge is _________ |
| two | The body of the cell is made up how many cell layers? |
| Top opening | A spong has a large opening called the |
| Skeleton | Spicules link together to form a simple |