Porifera Crossword Puzzle
Across
- 2. (Pinacocyte)-the thin, flattened cells of the epidermis, the sponge's outer layer of cells. porocyte. cells with pores that allow water into the sponge; they are located all over the sponge's body.
- 4. of the flagellated cells in sponges that maintain a flow of water through the body.
- 6. (singular ostium)-An opening; a passage. An opening in organic sponges that allow water to enter the organism.
- 7. sponge or sponge larva having a complex structure in which the flagellated layer is restricted to numerous small interstitial chambers intercalated between the incurrent and excurrent canals and the paragaster is reduced or lacking — compare ascon, sycon.
- 8. directly by the base : not raised upon a stalk or peduncle
- 10. (Mesenchyme)- the gelatinous matrix within a sponge.
- 11. small bud: a : a theoretical particle proposed in the theory of pangenesis that is shed by a somatic cell and contains all the information necessary to reproduce that cell type (as in an offspring)
- 13. of the large tubular cells that constitute the wall of the incurrent canals in some sponges.
Down
- 1. sponge of a grade of structure of the simplest type, in the form of a tube or bag lined with choanocytes.
- 3. a scleroprotein that is the chief constituent of flexible fibers found in certain sponge skeletons.
- 5. slender pointed usually hard body especially
- 6. excretory structure in the living sponge
- 9. mobile cell (moving like an amoeba) in the body of invertebrates
- 12. a genus of calcareous sponges belonging to the family Sycettidae.