Understanding our seagrass

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Across
  1. 2. is the only shoreline without seagrass
  2. 3. the reproductive stem of seagrass
  3. 6. the act of rehabilitating a seagrass ecosystem back to health
  4. 8. mountains of sugar beneath seagrass beds
  5. 9. an endangered mammal that feeds on seagrass
Down
  1. 1. is the shallow area of the sea occupied by seagrass
  2. 4. a special shelter where fish lay eggs and hide their young
  3. 5. I'm spiny and devour seagrass
  4. 7. what do we call a cluster of seagrass plants?