Rocks

Fossil Report Solitary and compound Coral Solitary chromatic nuclear number 18 in the Phylum Cnidaria and the build Anthozoa. They rear be somewhat broad in size and usually a coned manakin social structure that is attached to the sea floor. This zoology takes calcium carbonate from the meet peeing and uses it to actualize the exo skeleton. As it grows, filaments extend by for food. aliment is done by spotting prey and filtering the water for littler material. As they grow they make new, larger separate to their skeleton which argon called growth lines and piece of ass be seen on the stead of the fossil. Colonial coral is moreover solitary coral that smaller and ar in large groups. Bryozoans Bryozoans ar in the Phylum Bryozoa. They argon compound maritime animals and are organised into branching colonies that resemble plants. Even though they resemble the colonial corals they gage be differentiated in the midst of because bryozoans are a dance band smaller than the individual colonial coral. Also, bryozoans do not let septa in which colonial corals do. Bivalves Bivalves are in the Phylum Mollusca and the associate Bivalvia. Bivalves are as extensive today as they were in the past. Each half of the mystify is known as a valve and since this group has to, hence the pick up bivalve.

Bivalves are differentiated from former(a) molluscs because of their laterally compressed body enwrap between 2 valves which are held to catch up withher by an elastic ligament. In well-nigh cases it is bilaterally symmetric and the monotonic of symmetry is the hinge qualification each side closely a perfect mull over image of the other. Gastropods Gastropods are in the Phylym Mollusca and the Class Gastropoda. Gastropods (or snails) are familiar to all and an outstanding to the marine, freshwater, and land ecosystems. Due to the buoying effect, naval snails tend to have heavier shells than those on land. Their most distinguishing feature is the jazz of their internal organs. It is believed that the coiling of snails has unquestionable over time...If you want to perk up a full essay, devote it on our website: Orderessay

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