Porifera Vocab

2. are tubular cells which make up the pores of a sponge known as ostia
4. a small mouthlike aperture, as of a sponge.
6. a scleroprotein occurring in the form of fibers that form the skeleton of certain sponges.
7. a type of sponge having an oval shape and a thin body wall with pores leading directly into the spongocoel.
10. one of the small, hard, calcareous or siliceous bodies that serve as the skeletal elements of various marine and freshwater invertebrates
12. is a mobile cell (moving like an amoeba) in the body of invertebrates including echinoderms, molluscs, tunicates, sponges and some chelicerates.
13. an asexually produced mass of cells that is capable of developing into an animal, as a freshwater sponge.
14. a small mouthlike aperture, as of a sponge.

1. a type of sponge having a thick body wall that is folded to form many short canals leading to the spongocoel.
3. a flagellated cell with a collar of protoplasm at the base of the flagellum, numbers of which line the internal chambers of sponges.
5. the outermost living layer of an animal, usually composed of one or more layers of cells.
8. Do not move, and are usually permanently attached to something.
9. is the gelatinous matrix within a sponge
11. a type of sponge having a thick body wall with a highly branched canal system leading into the spongocoel.