Rocks

Fossil Report lonely and colonial Coral Solitary chromatic atomic number 18 in the Phylum phylum Coelenterata and the build Anthozoa. They can be somewhat large in size and usually a coned manakin structure that is addicted to the sea floor. This animal takes calcium carbonate from the surrounding weewee and uses it to make the exoskeleton. As it grows, filaments ex consort by for food. Feeding is through with(p) by amazeing prey and filtering the water for little material. As they grow they make new, larger separate to their skeleton which atomic number 18 called growth lines and can be seen on the side of the fossil. Colonial coral is only solitary coral but small and are in large congregations. Bryozoans Bryozoans are in the Phylum Bryozoa. They are colonial marine animals and are organised into branching colonies that tally plants. Even though they resemble the colonial corals they can be differentiated between because bryozoans are a lot smaller than the individual colonial coral. Also, bryozoans do not puzzle septa in which colonial corals do. Bivalves Bivalves are in the Phylum Mollusca and the Class Bivalvia. Bivalves are as abundant today as they were in the past. to distributively one half of the shell is known as a valve and since this group has to, hence the name bivalve.

Bivalves are differentiated from former(a) molluscs because of their laterally sozzled body enclosed between 2 valves which are held to catch up withher by an elastic ligament. In around cases it is bilaterally symmetric and the plane of symmetry is the hinge m aking each side almost a perfect reflect p! hotograph of the other. Gastropods Gastropods are in the Phylym Mollusca and the Class Gastropoda. Gastropods (or snails) are well-known(prenominal) to all and an important to the marine, freshwater, and land ecosystems. Due to the buoying effect, oceanic snails tend to have heavier shells than those on land. Their most distinguishing feature is the wind of their midland organs. It is believed that the coiling of snails has developed over time...If you want to get a full essay, order it on our website: OrderCustomPaper.com

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