The Coral Reef

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Across
  1. 2. he was an animal featured in spongebob($)
  2. 3. coral reefs are known as ______forest(s) of the sea
  3. 6. ______ are the largest structures on earth of biological origin
  4. 8. are corals animals or plants
  5. 10. a hard stony substance secreted by certain marine invertebrate animals(it's in the name)
  6. 11. green, leafy algae plant in coral reefs
  7. 12. coral reefs need _____ just like plants to grow
Down
  1. 1. coral reefs protect coastlines from _____ and erosion
  2. 2. what is the biggest factor that coral reefs face today
  3. 4. was also featured in spongebob(owner of the chum-bucket)
  4. 5. this usually ranges from 73-84 Fahrenheit
  5. 7. this was how salty the water is in the coral reefs, it was from 32-42 parts per thousand
  6. 9. what type of biome/ecosystem is the coral reef
  7. 10. funny orange and white fish(was in nemo)