Porifera Vocabulary
Across
- 2. A type of cell in asconoid sponges through which water enters the spongocoel
- 4. An excurrent opening of a sponge
- 6. Fibrous collagenous material forming the skeletal network of demosponges
- 7. canals leading directly from the outside to the interior
- 10. One of the minute calcareous or siliceous skeletal bodies found in sponges, radiolarians, soft corals, and sea cucumbers
- 12. A cell with amoeba like movement of form
- 13. Asexual, cystelike reproductive unit in freshwater sponges; formed in summer or autumn and capable of overwintering
- 14. (singular ostium) One of the holes on a sponge
Down
- 1. A type of canal system in certain sponges
- 3. one of the flagellated collar cells that line cavities and canals of sponges
- 5. (Pinacocyte) The outer nonvascular layer layer of skin of ectodermal origin in invertebrates a single layer of ectodermal epithelium
- 8. Permanently attached or established unable to move sponge
- 9. (Mesenchyme) Embryonic connective tissue irregular or amebocytic cells often embedded in gelatinous matrix/ Gelatinous matrix surrounding sponge cells
- 11. Type of canal system in sponges where choanocytes reside in chambers