What animal is coral?

Best answer: Coral is a marine invertebrate belonging to the class Corallinae, phylum Echinozoa. Coral reef ecosystem, also known as underwater tropical rain forest, has important functions such as protecting coast, maintaining biodiversity, maintaining fishery resources and attracting tourism. Many coral individuals have gorgeous colors, which are not inferior to all kinds of flowers on the land, and some coral species have amazing fluorescent effects.

Coral is a marine invertebrate belonging to the class Corallinae, phylum Echinozoa. Coral reef ecosystem, also known as underwater tropical rain forest, has important functions such as protecting coast, maintaining biodiversity, maintaining fishery resources and attracting tourism. Many coral individuals have gorgeous colors, which are not inferior to all kinds of flowers on the land. Some coral species have amazing fluorescent effects. Different types of corals can build a solid coral reef ecosystem in the aquarium, which makes corals have great competitiveness in the aquarium industry.

Coral is automatically fixed on calcareous remains of ancestors coral at the stage of white larva. Coral is the outer shell secreted by coral. The chemical composition of coral is mainly CaCO3 (calcium carbonate), which exists in the form of microcrystalline calcite aggregate. There is also a certain amount of organic matter in the composition, which is mostly dendritic in shape with longitudinal stripes on it. The cross-section of each single coral has concentric and radial stripes, and its color is often white, but also a small amount of blue and black. Coral is not only like a branch, bright and beautiful in color, and can be used as an ornament, but also has high medicinal value. However, compared with medicinal value, its role in the environment is irreplaceable.

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