The formation of coral reefs

The coral which is under sea , in the sunlight , is red ,yellow or blue, it is colorful .The shape looks like the branch, the human brain, the wicker, the flowers and so on in a thousand pictures, it is fascinating.

coral jewelry looks like plant, actually it is a low-level sea animal. A coral reef is often tens of thousands of 100 million coral groups. The live coral in the sea is colorful, yellow, green, purple, red, the color is bright and pleasant, it is called seabed flower. wholesale jewelryThe white coral we often see, is the wreckage and bone of the death coral. Corals are very small, only can be seen through the microscope.

coral jewelry

Corals have no eyes, nose, they only have sensitive tentacles that are the sensory organs. The tentacles drift with the current slowly, stretching freely to capture plankton and debris fashion jewelry which is in the vicinity of their body. When they are frightened, they will retract their hands instantly. In the central of the tentacles, there is a small mouth, it is the mouth of the coral , called "stomodaeum." into the stomodaeum is the rectum,which has no the esophagus and stomach. The residue that has digested, will be disgorged from the stomodaeum again, the anus can’t distinguish from the mouth, and therefore they are calledas low-level sea animal handmade jewelry.