Its when a sea animal forms a skeleton from calcium carbonate (CaCO3). Calcium carbonate is dissolved in seawater, but less soluable at higher temperatures. The majority of an…imals with calcareous skeletons, such as corals, are found in the tropics where it takes less energy to get it out of the seawater ( Full Answer )
The Yellow Calcareous sponge is Arthuria canariensis (formerly Clathrina canariensis , and also previouslyclassified in the genera Nardoa , Leucosolenia, and Ascuris ).… Clathrina clathrus (the typical Clathrina species) is alsoyellow, bit has a dissimilar structure. ( Full Answer )
Yes it has many caleries. .
The reason for this is that the quartzite contains a rare type of grain called dyphinimogen. This allows it to produce the calleries whilst it is …mutating to form the rock that we know of as quartzite. ( Full Answer )