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Coral reefs are actually composed of tiny, fragile animals known as coral polyps. Coral reefs are significantly important because of the biodiversity. Although the number of fish are decreasing, the remaining coral reefs contain more unique sea creatures. The variety of species living on a coral reef is greater than anywhere else in the world.
The Global Coral Reef Monitoring Network (GCRMN) reported in 2021, that the East Asian Seas region, which includes the Coral Triangle, was the only region where coral cover was substantially greater in 2019 (36.8%) as compared to 1983 (32.8%), which is the year that the earliest data was collected.
Polynesians are an ethnolinguistic group comprising closely related ethnic groups native to Polynesia, which encompasses the islands within the Polynesian Triangle in the Pacific Ocean. They trace their early prehistoric origins to Island Southeast Asia and are part of the larger Austronesian ethnolinguistic group, with an Urheimat in Taiwan .
A black coral reproduces both sexually and asexually throughout its lifetime. Many black corals provide housing, shelter, food, and protection for other animals. Black corals were originally classified in the subclass Ceriantipatharia along with ceriantharians (tube-dwelling anemones), but were later reclassified under Hexacorallia.
Early on, however, many such islands developed a united social and political structure, usually under the leadership of a strong monarch. An example is the Marquesas Islands, which, unlike other high-island groups in Polynesia, are not surrounded by fringing coral reefs, and consequently have no low coastal plains. Every valley in the Marquesas ...
The coral is a standalone structure, unlike a reef which is built on a symbiotic relationship between corals and sea anemones. The mammoth coral belonging to the species Pavona clavus was found by ...
Polynesian languages are all members of the family of Oceanic languages, a sub-branch of the Austronesian language family. Polynesian languages show a considerable degree of similarity. The vowels are generally the same—/a/, /e/, /i/, /o/, and /u/, pronounced as in Italian, Spanish, and German—and the consonants are always followed by a vowel.
Coral reefs thrive in nutrient-poor waters on high-energy shorelines that are agitated by waves. They are underwater ecosystem made up of colonies of tiny animals called coral polyps . These polyps secrete hard calcium carbonate skeletons that builds up over time, creating complex and diverse underwater structures.