Sponges

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Across
  1. 6. Central cavity
  2. 7. Large opening where water exits.
  3. 8. Take up food, may produce gametes, form
  4. 10. Antibiotic produced by sponges
Down
  1. 1. ingestion of material via phagocytes
  2. 2. Narrow openings where water enters the
  3. 3. fibers
  4. 4. Sharp fibers, spongin-flexible fibers
  5. 5. Middle gelatinous layer
  6. 9. porocytes
  7. 10. Flagellated collar cells