who lives in a pineapple under the sea

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Across
  1. 5. study of life
  2. 6. large hole in sponge
  3. 10. heterotrophs
  4. 11. cells that have a nucleus
  5. 12. sponges eat by
  6. 13. bottom half
  7. 14. head
Down
  1. 1. small hole in sponge
  2. 2. egg+sperm=
  3. 3. sponges have what symmetry type
  4. 4. outer layer of cell
  5. 7. back half
  6. 8. cells become specialized
  7. 9. animals that don't move are