Porifera Crossword

4. This is what they call the cell layers that are supported by a skeleton made up of flexible protein fibers.
6. This class has spicules but they are siliceous and not six rayed, the spicules can also be absent or bound together by spongin.
12. This is the process of water filtering through the pores, transferring through the body, then out the opening at the top of the spongocoel.
14. This is what forms around a hollow center of a sponge.
16. This is also known as collar cells.
17. This is what a sponges body is made up of, it is embedded in a jellylike extracellular matrix.
18. tissue This is another word for skin like.
21. All sponges categorize as this, but vary in size from a few millimeters to over 2 meters in diameter.
22. Porifera Another word meaning “pore - bearing”
23. They move through the mesohyl carrying the nutrients to all parts of the sponge.
24. They resemble Asconoids but are larger with a thicker body wall.
25. This class are glass sponges with six rayed spicules of silica.

1. This is formed by archaeocytes that collect in mesophyll and are coated with tough spongin and spicules.
2. This is what you call an organisms that form a symbiotic relationship with another cell or organism
3. Something that spends its entire adult life anchored to a surface underwater.
5. This is the most complex and most common of the sponge type.
7. These are thin, flat, skin like cells that cover the exterior surface and some interior surfaces of a sponge.
8. This is formed by internal buds or gemmules.
9. Needle like structures.
10. Feeding This is the process of what sponges bring water through pores.
11. A single body layer is called.
13. Embryogenesis A process that is due to cell recognition and reaggregation.
15. The body is permeated by numerous pros which are called…
19. They are the simplest sponges; they are small and tube shaped.
20. This class has straight spicules or has three or four rays.