coral reefs Coral reefs argon one of the oldest types of living systems on earth, and certainly one of the most spectacular (Goreau, 1987). They are retentive underwater structures formed by the limestone skeletons of tiny invertebrate animals. Reefs abode a greater diversity of body forms, chemistry, and animal phyla (thirty-two compared to the viii that inhabit the most biodiversity ecosystems on land). Phyla comprise the second largest residence of living things, after kingdoms. Coral animals begin life as free-floating larvae, but settle on the sea floor in sedentary colonies.
The ter m "coral" applies both to these animals and to their skeletons, particularly the skeletons of stone-like corals (Discover 1997). umpteen another(prenominal) different organisms, including mollusks, sponges, and worms, help shape reefs, but hard corals and sundry(a) alga are the major architects. In effect, the corals build limestone, because their skeletons are do of Calcium Carbonate. The sk...If you want to get a encompassing essay, ordinate it on our website:
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