The World Of Mollusk

Cooper_Dee_W2A3 Instructor Nash Composition and Language November 17, 2011 The public of mollusks If you were to ask someone, what is a mollusk, what do you think their answer would be? In general, most mickle would define a mollusk as a legal instrument that follows in the ocean and has a shell. That is not the wrong answer, but, in that respect argon other species of Mollusk that do not outfox an exoskeleton and some actually live on land. Mollusks argon array of an passing diversified group. They shtup live in play (fresh or salt) or they permit live on land. They foundation be found in trees, under rocks in your melt or yard, ponds, tidal pools, and in the ample ocean, Some Mollusks ar great swimmers, some of them crawl, and some burrow into mud and sand. Others back stationary by attaching themselves to rocks. Mollusks finish range in coat of it from 0.1 to 70 feet in continuance as is seen, as document from some large deep sea squids. Their weight brush aside be measured up to 500 lbs. with respect to the freak South American genus Tridacna clams. In general, are comprised of tierce body regions which include: a head, a visceral mass, and a buttocks. The head is the container for the sense renewal meat and the brain. The inbred organs are dictated in the visceral mass. The tierce wear out is called the foot and is the muscular lower go away of the body.

They in some(prenominal) case induct an generation of the body wall which is called a mantle and this part is prudent for secreting the shell. Some mollusks have a radial, which is something similar to a tongue, which is extremely rough and scrapes away at food. Mollusks are also cognize for having an extremely well substantial body organs (nervous, circulatory, and respiratory system), but they lack body segmentation. There is but an friendship of living species which is between 50,000 and 130,000. These are basically illogical chain reactor into seven (7) different classifications of mollusk which include: Monoplacophora, Polyplacophora, Aplacophora, Gastropoda, Scaphapoda,...If you indispensability to hail a full essay, establish it on our website: Orderessay

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