Porifera and cn

3. contains between 5000 to 10000 members pours that water
8. outer layer of cells in the gastrula becoming nerve tissue and skin
10. fluid filled body cavity that develops between the mesoderm and the endoderm rather than developing entirely
12. adaptation for filter feeding that are common in animals
14. inner cell layer of cnidarians surrounding a surface
16. inner layer of cells in the gastrula becoming digestive organs and digestive tract lining
18. animal has no symmetry
19. animals can be but together from a successful of similar parts

1. fluid filled body cavity with tissue formed from the mesoderm
2. capsule that holds a colled
4. conducts impulses to and from all parts of the body
5. tentacles that are amred with stinging cells
6. solid bodies without fluid filled body cavity between the gut and the body wall
7. an umbrella shaped body and tentacles that hang down
9. layer of cells between the endoderm and ectoderm becoming muscle tissue and the circularly, excretory system
11. organ gets its food by filtering small particles from water
13. a tube shaped body and a mouth surrounded by tentacles
15. a phylum under kingdom animalia containing over 11000 species of aquatic animal found
17. tendacy to concentrate nervous tissue and sensory organs at the anterior end of the animal