Phylum Porifora

2. a simple, nonflowering, and typically aquatic plant of a large group that includes the seaweeds and many single-celled forms
4. the most complex in design in that not all the chambers are flagellated
7. the formation and development of an embryo
8. amoeba-like cells that slither around using pseudopodia
9. an opening into a vessel or cavity of the body.
14. Sponge is brightly colored because it
15. the gelatinous matrix within a sponge
16. fixed in one place
18. a flagellated cell with a collar of protoplasm at the base of the flagellum, numbers of which line the internal chambers of sponges.
20. tubular with a central shaft called the spongocoel
22. a large aperture in a sponge through which water is expelled
23. having or derived from a single germ layer.
25. Sponges are the only animals that if broken down to the level of their cells, can reassemble themselves

1. There is a continuous water movement from the exterior to the interior of the body of the poriferans
3. main structural protein in the extracellular matrix found in the body's various connective tissues.
5. Sponges are the _________ Mulitcellular animals.
6. having parts that fail to correspond to one another in shape, size, or arrangement
10. is the large, central cavity of sponges
11. amoeboid cells that are found in sponges
12. flat cells found on the outside of sponges
13. the structural components of a sponge
17. a modified type of collagen protein
19. the most diverse class in the phylum Porifera.
21. similar to asconoids. They have a tubular body with a single osculum, but the body wall is thicker and more complex
24. a member of a large group of unicellular microorganisms which have cell walls but lack organelles and an organized nucleus, including some that can cause disease.