those are the corals breathing hole 1 for breathing 1 for eating 1 for disposing watse. also they have those holes for other animals to hide in.
Eels live in holes and crevices in the corals.
A volcanic island or underwater mountain forms via volcanic activity. This allows a surface near the water surface for corals to attach too. The corals form a ring around the volcano.
Yes, coral reefs are made of the limestone skeletons of deceased corals - the living corals are on the surface of the reef.
Yes, the moon does not have holes like Earth does. However, it does have craters, which are formed by impacts from meteoroids and asteroids. These craters can appear as "holes" on the moon's surface when viewed from a distance.
soft corals live deeper water than hard corals because soft corals do not create a hard outer skeleton as the hard corals do.
sink holes are destuctive because it is breaking down the earth surface
Corals are not decomposers. They are consumers.
Corals are plants.
Hermatypic corals contain zooxanthellae (a symbiotic algae), whereas ahermatypic corals do not. It is like saying that hermatypic corals are photosynthetic, where ahermatypic corals are non photosynthetic.
No holes, but LOT's of craters !
No, corals are not edible.
Yes, corals are composed of an exoskeleton