porifera

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Across
  1. 2. (singular ostium) any spores through which water enters the body
  2. 3. mobile cell in body of invertebrates
  3. 5. a slender pointed usually hard body
  4. 6. a small bud
  5. 9. attached by the base
  6. 10. one of the large tubular cells that constitute the walls of incurrent canals
  7. 12. type of sponge in an oval shape with a thin body wall
  8. 14. sponge larva having complex structure in flagellated layer
Down
  1. 1. flagellated cells in sponge that maintain water
  2. 4. (Mesenchyme) gelatinous matrix within a sponge
  3. 7. (Pinacocyte) waxy cuticle provides protective barrier
  4. 8. a scleroprotein that is the chief of flexible fibers found in certain skeletons
  5. 11. sponges belonging to family sycttidae
  6. 13. excretory structure in the living sponge