Escape room crossword puzzle Hint(No words are plural)

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Across
  1. 3. What is a filter feeder that their name starts with the letter O
  2. 6. Small openings in the body
  3. 8. The side on an animal is called
  4. 9. The emission of light from an organism caused by a chemical reaction
  5. 12. An organism with backbones
  6. 13. A fluid in the body that holds the organs in place
  7. 14. 2 jaw like things on the side of an animals mouth the open and close side by side
Down
  1. 1. What is the smallest monophyletic group called
  2. 2. What are animals called that get their energy from consuming other cell
  3. 4. The back of an animal is called a...
  4. 5. A group of neural bodies outside the central nervous system
  5. 7. Animals that need oxygen to survive are called
  6. 9. The kind of animals that live in and/or on the bottom of the bay are called
  7. 10. The process of shedding off worn-out skin and replacing it with new skin
  8. 11. Structural Components in sponges are called