calcium
Coral animals live in coral in the ocean.
Coral polyps are animals, not plants.
They absorb calcium ions and bicarbonate (hydrogen carbonate) ions.
lots of ocean animals eat coral such as:Parrot fishCrown of thorns sea starButterfly fishNudibranchsSea slugsAnd many others
coral reefs.
because some ocean animals live in them
The skeletons of tiny ocean animals grow together to form coral, structures that are found only in warm clear ocean waters
to see if animals lived there or too see the coral.
Coral, Atlantic, and the sand at the bottomless pit
star fish, crabs, coral
A coral animal is a tiny relative of jellyfish that lives together in vast numbers.
Coral atoll are tiny sea animals that live in shallow water, but when reefs form the new coral grow over the skeleton of the old. As the ocean crust beneath the volcano sinks, the coral sinks with it, and the new coral continues to form on top of the old. Eventually, coral covers the whole volcano. It can survive with the ocean waves bringing in new food and more marine life.