Sea Creatures Crossword

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Across
  1. 3. Someone who is hopeful.
  2. 4. Leftover parts of ruins.
  3. 5. Small submarine for underwater research.
  4. 7. First-year university student.
  5. 9. Something that helps one blend into the background.
  6. 10. To take unfair advantage of something.
  7. 12. Land that is covered by water seasonally.
  8. 13. To support development.
  9. 14. Problems which slow or reverse progress.
  10. 16. Describes something that is land-based.
  11. 18. Covering a very large area.
  12. 19. To speak about something with sorrow.
  13. 20. The arrival of an event or development.
Down
  1. 1. Animals with a backbone.
  2. 2. In a way that is sad.
  3. 6. Able to produce light.
  4. 8. One of Widder's favourite fishes.
  5. 11. In a way that is persistent over time.
  6. 15. To give off light or sound.
  7. 17. To support continuously.