Coral Reef crossword puzzle

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  1. 4. An echinoderm with an elongated body shape that feeds on bottom sediments.
  2. 6. A one-celled algae that lives inside coral polyps and helps the coral obtain nutrition.
  3. 7. This kind of reef builder grows in a pattern that resemble human gray matter
  4. 8. This invertebrate has eight tentacles with suction cups and squirts ink when disturbed.
  5. 9. An entire colony of coral is actually many individual ____________ living together.
Down
  1. 1. The shell of this echinoderm is covered in tiny bumps which are the points of attachment for its many spines.
  2. 2. This kind of coral grows in a pattern that resembles human gray matter.
  3. 3. A primitive group of aquatic plants that do not have true roots, stems, or leave
  4. 4. A type of coral with stinging tentacles surrounding its mouth; found living on the bottom or attached to rocks.
  5. 5. This invertebrate is usually composed of many tiny polyps that are connected to one another and share food.