Question

When coral animals die, their skeletons fall to the sea floor.

Please select the best answer from the choices provided
OT
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Answer 1

Coral animals have skeletons made of calcium carbonate that fall to the sea floor when they die, forming coral reefs.

Step-by-step explanation:

Coral animals have a hard external skeleton made of calcium carbonate. When they die, their skeletons sink to the sea floor and accumulate over time, forming coral reefs. These coral reefs provide habitats for many other organisms and are important for biodiversity.

Learn more about Coral animals and coral reefs