A coral reef is an underwater ecosystem characterized by reef-building corals. Reefs are ... Sea level on the Great Barrier Reef has not changed significantly in the last ... that radiate inward from the layer of tissue that lines the stomach cavity. ... They become havens for marine life, providing protection from waves and storms.
Answers & Comments
Answer:
c. ocean floor zone
Explanation:
A coral reef is an underwater ecosystem characterized by reef-building corals. Reefs are ... Sea level on the Great Barrier Reef has not changed significantly in the last ... that radiate inward from the layer of tissue that lines the stomach cavity. ... They become havens for marine life, providing protection from waves and storms.